Home / 133,127,890.83-183,712,963.92-74,391,038.60

Finding the Fourth Proportional to 133,127,890.83, 183,712,963.92 and 74,391,038.60

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Solution

The fourth proportional to 133,127,890.83, 183,712,963.92 and 74,391,038.60 is: 102,657,663.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,127,890.83 : 183,712,963.92 = 74,391,038.60 : x
  2. Step 2: Convert to fraction form
    133,127,890.83/183,712,963.92 = 74,391,038.60/x
  3. Step 3: Cross multiply
    133,127,890.83x = 183,712,963.92 × 74,391,038.60
  4. Step 4: Simplify right side
    133,127,890.83x = 13,666,598,189,374,562
  5. Step 5: Solve for x
    x = 13,666,598,189,374,562/133,127,890.83
  6. Step 6: Final answer
    x = 102,657,663.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.