Home / 72,293,896.10-108,440,152.95-17,706,721.70

Finding the Fourth Proportional to 72,293,896.10, 108,440,152.95 and 17,706,721.70

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Solution

The fourth proportional to 72,293,896.10, 108,440,152.95 and 17,706,721.70 is: 26,559,913.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,293,896.10 : 108,440,152.95 = 17,706,721.70 : x
  2. Step 2: Convert to fraction form
    72,293,896.10/108,440,152.95 = 17,706,721.70/x
  3. Step 3: Cross multiply
    72,293,896.10x = 108,440,152.95 × 17,706,721.70
  4. Step 4: Simplify right side
    72,293,896.10x = 1,920,119,609,391,084
  5. Step 5: Solve for x
    x = 1,920,119,609,391,084/72,293,896.10
  6. Step 6: Final answer
    x = 26,559,913.26

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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.