Home / 402,096,848.90-602,799,841.13-139,747,317.93

Finding the Fourth Proportional to 402,096,848.90, 602,799,841.13 and 139,747,317.93

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Solution

The fourth proportional to 402,096,848.90, 602,799,841.13 and 139,747,317.93 is: 209,500,923.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,096,848.90 : 602,799,841.13 = 139,747,317.93 : x
  2. Step 2: Convert to fraction form
    402,096,848.90/602,799,841.13 = 139,747,317.93/x
  3. Step 3: Cross multiply
    402,096,848.90x = 602,799,841.13 × 139,747,317.93
  4. Step 4: Simplify right side
    402,096,848.90x = 84,239,661,045,848,864
  5. Step 5: Solve for x
    x = 84,239,661,045,848,864/402,096,848.90
  6. Step 6: Final answer
    x = 209,500,923.17

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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.