Home / 42,085,411.80-63,128,117.70-39,747,071.40

Finding the Fourth Proportional to 42,085,411.80, 63,128,117.70 and 39,747,071.40

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Solution

The fourth proportional to 42,085,411.80, 63,128,117.70 and 39,747,071.40 is: 59,620,607.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,085,411.80 : 63,128,117.70 = 39,747,071.40 : x
  2. Step 2: Convert to fraction form
    42,085,411.80/63,128,117.70 = 39,747,071.40/x
  3. Step 3: Cross multiply
    42,085,411.80x = 63,128,117.70 × 39,747,071.40
  4. Step 4: Simplify right side
    42,085,411.80x = 2,509,157,801,569,504
  5. Step 5: Solve for x
    x = 2,509,157,801,569,504/42,085,411.80
  6. Step 6: Final answer
    x = 59,620,607.10

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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.