Home / 130,475,884.40-180,057,432.15-76,832,885.96

Finding the Fourth Proportional to 130,475,884.40, 180,057,432.15 and 76,832,885.96

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Solution

The fourth proportional to 130,475,884.40, 180,057,432.15 and 76,832,885.96 is: 106,029,801.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,475,884.40 : 180,057,432.15 = 76,832,885.96 : x
  2. Step 2: Convert to fraction form
    130,475,884.40/180,057,432.15 = 76,832,885.96/x
  3. Step 3: Cross multiply
    130,475,884.40x = 180,057,432.15 × 76,832,885.96
  4. Step 4: Simplify right side
    130,475,884.40x = 13,834,332,149,731,100
  5. Step 5: Solve for x
    x = 13,834,332,149,731,100/130,475,884.40
  6. Step 6: Final answer
    x = 106,029,801.71

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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.