Home / 46,878,570.40-70,338,850.80-21,306,416.80

Finding the Fourth Proportional to 46,878,570.40, 70,338,850.80 and 21,306,416.80

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Solution

The fourth proportional to 46,878,570.40, 70,338,850.80 and 21,306,416.80 is: 31,969,167.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,878,570.40 : 70,338,850.80 = 21,306,416.80 : x
  2. Step 2: Convert to fraction form
    46,878,570.40/70,338,850.80 = 21,306,416.80/x
  3. Step 3: Cross multiply
    46,878,570.40x = 70,338,850.80 × 21,306,416.80
  4. Step 4: Simplify right side
    46,878,570.40x = 1,498,668,872,377,813.50
  5. Step 5: Solve for x
    x = 1,498,668,872,377,813.50/46,878,570.40
  6. Step 6: Final answer
    x = 31,969,167.57

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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.