Home / 56,585,675.80-84,878,513.70-39,366,987.40

Finding the Fourth Proportional to 56,585,675.80, 84,878,513.70 and 39,366,987.40

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Solution

The fourth proportional to 56,585,675.80, 84,878,513.70 and 39,366,987.40 is: 59,050,481.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,585,675.80 : 84,878,513.70 = 39,366,987.40 : x
  2. Step 2: Convert to fraction form
    56,585,675.80/84,878,513.70 = 39,366,987.40/x
  3. Step 3: Cross multiply
    56,585,675.80x = 84,878,513.70 × 39,366,987.40
  4. Step 4: Simplify right side
    56,585,675.80x = 3,341,411,379,358,627.50
  5. Step 5: Solve for x
    x = 3,341,411,379,358,627.50/56,585,675.80
  6. Step 6: Final answer
    x = 59,050,481.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.