Home / 125,896,917.60-188,845,376.40-74,752,610.40

Finding the Fourth Proportional to 125,896,917.60, 188,845,376.40 and 74,752,610.40

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Solution

The fourth proportional to 125,896,917.60, 188,845,376.40 and 74,752,610.40 is: 112,128,915.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,896,917.60 : 188,845,376.40 = 74,752,610.40 : x
  2. Step 2: Convert to fraction form
    125,896,917.60/188,845,376.40 = 74,752,610.40/x
  3. Step 3: Cross multiply
    125,896,917.60x = 188,845,376.40 × 74,752,610.40
  4. Step 4: Simplify right side
    125,896,917.60x = 14,116,684,847,870,556
  5. Step 5: Solve for x
    x = 14,116,684,847,870,556/125,896,917.60
  6. Step 6: Final answer
    x = 112,128,915.60

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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.