Home / 133,712,669.68-200,613,872.64-51,834,218.20

Finding the Fourth Proportional to 133,712,669.68, 200,613,872.64 and 51,834,218.20

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Solution

The fourth proportional to 133,712,669.68, 200,613,872.64 and 51,834,218.20 is: 77,768,720.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,712,669.68 : 200,613,872.64 = 51,834,218.20 : x
  2. Step 2: Convert to fraction form
    133,712,669.68/200,613,872.64 = 51,834,218.20/x
  3. Step 3: Cross multiply
    133,712,669.68x = 200,613,872.64 × 51,834,218.20
  4. Step 4: Simplify right side
    133,712,669.68x = 10,398,663,248,368,770
  5. Step 5: Solve for x
    x = 10,398,663,248,368,770/133,712,669.68
  6. Step 6: Final answer
    x = 77,768,720.60

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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.