Home / 101,752,128.80-152,404,244.40-61,292,045.60

Finding the Fourth Proportional to 101,752,128.80, 152,404,244.40 and 61,292,045.60

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Solution

The fourth proportional to 101,752,128.80, 152,404,244.40 and 61,292,045.60 is: 91,803,169.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,752,128.80 : 152,404,244.40 = 61,292,045.60 : x
  2. Step 2: Convert to fraction form
    101,752,128.80/152,404,244.40 = 61,292,045.60/x
  3. Step 3: Cross multiply
    101,752,128.80x = 152,404,244.40 × 61,292,045.60
  4. Step 4: Simplify right side
    101,752,128.80x = 9,341,167,897,398,346
  5. Step 5: Solve for x
    x = 9,341,167,897,398,346/101,752,128.80
  6. Step 6: Final answer
    x = 91,803,169.21

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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.