Home / 39,864,830.40-59,759,920.80-31,224,139.20

Finding the Fourth Proportional to 39,864,830.40, 59,759,920.80 and 31,224,139.20

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Solution

The fourth proportional to 39,864,830.40, 59,759,920.80 and 31,224,139.20 is: 46,806,974.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,864,830.40 : 59,759,920.80 = 31,224,139.20 : x
  2. Step 2: Convert to fraction form
    39,864,830.40/59,759,920.80 = 31,224,139.20/x
  3. Step 3: Cross multiply
    39,864,830.40x = 59,759,920.80 × 31,224,139.20
  4. Step 4: Simplify right side
    39,864,830.40x = 1,865,952,085,640,175.25
  5. Step 5: Solve for x
    x = 1,865,952,085,640,175.25/39,864,830.40
  6. Step 6: Final answer
    x = 46,806,974.14

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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.