Home / 145,497,975.60-200,757,233.01-83,606,356.74

Finding the Fourth Proportional to 145,497,975.60, 200,757,233.01 and 83,606,356.74

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Solution

The fourth proportional to 145,497,975.60, 200,757,233.01 and 83,606,356.74 is: 115,359,548.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,497,975.60 : 200,757,233.01 = 83,606,356.74 : x
  2. Step 2: Convert to fraction form
    145,497,975.60/200,757,233.01 = 83,606,356.74/x
  3. Step 3: Cross multiply
    145,497,975.60x = 200,757,233.01 × 83,606,356.74
  4. Step 4: Simplify right side
    145,497,975.60x = 16,784,580,841,765,024
  5. Step 5: Solve for x
    x = 16,784,580,841,765,024/145,497,975.60
  6. Step 6: Final answer
    x = 115,359,548.97

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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.