Home / 105,226,773.60-157,616,211.60-87,310,869.60

Finding the Fourth Proportional to 105,226,773.60, 157,616,211.60 and 87,310,869.60

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Solution

The fourth proportional to 105,226,773.60, 157,616,211.60 and 87,310,869.60 is: 130,780,485.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,226,773.60 : 157,616,211.60 = 87,310,869.60 : x
  2. Step 2: Convert to fraction form
    105,226,773.60/157,616,211.60 = 87,310,869.60/x
  3. Step 3: Cross multiply
    105,226,773.60x = 157,616,211.60 × 87,310,869.60
  4. Step 4: Simplify right side
    105,226,773.60x = 13,761,608,497,853,606
  5. Step 5: Solve for x
    x = 13,761,608,497,853,606/105,226,773.60
  6. Step 6: Final answer
    x = 130,780,485.11

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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.