Home / 56,585,674.80-84,878,512.20-39,366,986.40

Finding the Fourth Proportional to 56,585,674.80, 84,878,512.20 and 39,366,986.40

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Solution

The fourth proportional to 56,585,674.80, 84,878,512.20 and 39,366,986.40 is: 59,050,479.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,585,674.80 : 84,878,512.20 = 39,366,986.40 : x
  2. Step 2: Convert to fraction form
    56,585,674.80/84,878,512.20 = 39,366,986.40/x
  3. Step 3: Cross multiply
    56,585,674.80x = 84,878,512.20 × 39,366,986.40
  4. Step 4: Simplify right side
    56,585,674.80x = 3,341,411,235,429,634
  5. Step 5: Solve for x
    x = 3,341,411,235,429,634/56,585,674.80
  6. Step 6: Final answer
    x = 59,050,479.60

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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.