Home / 145,859,810.92-201,348,516.90-90,882,829.96

Finding the Fourth Proportional to 145,859,810.92, 201,348,516.90 and 90,882,829.96

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Solution

The fourth proportional to 145,859,810.92, 201,348,516.90 and 90,882,829.96 is: 125,456,922.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,859,810.92 : 201,348,516.90 = 90,882,829.96 : x
  2. Step 2: Convert to fraction form
    145,859,810.92/201,348,516.90 = 90,882,829.96/x
  3. Step 3: Cross multiply
    145,859,810.92x = 201,348,516.90 × 90,882,829.96
  4. Step 4: Simplify right side
    145,859,810.92x = 18,299,123,024,120,884
  5. Step 5: Solve for x
    x = 18,299,123,024,120,884/145,859,810.92
  6. Step 6: Final answer
    x = 125,456,922.70

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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.