Home / 145,497,977.60-200,757,235.76-83,606,358.74

Finding the Fourth Proportional to 145,497,977.60, 200,757,235.76 and 83,606,358.74

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Solution

The fourth proportional to 145,497,977.60, 200,757,235.76 and 83,606,358.74 is: 115,359,551.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,497,977.60 : 200,757,235.76 = 83,606,358.74 : x
  2. Step 2: Convert to fraction form
    145,497,977.60/200,757,235.76 = 83,606,358.74/x
  3. Step 3: Cross multiply
    145,497,977.60x = 200,757,235.76 × 83,606,358.74
  4. Step 4: Simplify right side
    145,497,977.60x = 16,784,581,472,601,314
  5. Step 5: Solve for x
    x = 16,784,581,472,601,314/145,497,977.60
  6. Step 6: Final answer
    x = 115,359,551.72

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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.