Home / 101,516,782.64-152,332,765.26-54,829,690.76

Finding the Fourth Proportional to 101,516,782.64, 152,332,765.26 and 54,829,690.76

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Solution

The fourth proportional to 101,516,782.64, 152,332,765.26 and 54,829,690.76 is: 82,275,641.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,516,782.64 : 152,332,765.26 = 54,829,690.76 : x
  2. Step 2: Convert to fraction form
    101,516,782.64/152,332,765.26 = 54,829,690.76/x
  3. Step 3: Cross multiply
    101,516,782.64x = 152,332,765.26 × 54,829,690.76
  4. Step 4: Simplify right side
    101,516,782.64x = 8,352,358,411,821,470
  5. Step 5: Solve for x
    x = 8,352,358,411,821,470/101,516,782.64
  6. Step 6: Final answer
    x = 82,275,641.47

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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.