Home / 77,002,358.56-106,263,224.40-42,663,542.56

Finding the Fourth Proportional to 77,002,358.56, 106,263,224.40 and 42,663,542.56

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Solution

The fourth proportional to 77,002,358.56, 106,263,224.40 and 42,663,542.56 is: 58,875,671.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,002,358.56 : 106,263,224.40 = 42,663,542.56 : x
  2. Step 2: Convert to fraction form
    77,002,358.56/106,263,224.40 = 42,663,542.56/x
  3. Step 3: Cross multiply
    77,002,358.56x = 106,263,224.40 × 42,663,542.56
  4. Step 4: Simplify right side
    77,002,358.56x = 4,533,565,596,752,231
  5. Step 5: Solve for x
    x = 4,533,565,596,752,231/77,002,358.56
  6. Step 6: Final answer
    x = 58,875,671.88

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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.