Home / 119,708,076.64-165,197,046.72-64,703,932.96

Finding the Fourth Proportional to 119,708,076.64, 165,197,046.72 and 64,703,932.96

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Solution

The fourth proportional to 119,708,076.64, 165,197,046.72 and 64,703,932.96 is: 89,291,373.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,708,076.64 : 165,197,046.72 = 64,703,932.96 : x
  2. Step 2: Convert to fraction form
    119,708,076.64/165,197,046.72 = 64,703,932.96/x
  3. Step 3: Cross multiply
    119,708,076.64x = 165,197,046.72 × 64,703,932.96
  4. Step 4: Simplify right side
    119,708,076.64x = 10,688,898,636,160,868
  5. Step 5: Solve for x
    x = 10,688,898,636,160,868/119,708,076.64
  6. Step 6: Final answer
    x = 89,291,373.95

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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.