Home / 157,133,303.52-216,805,714.56-103,482,426.96

Finding the Fourth Proportional to 157,133,303.52, 216,805,714.56 and 103,482,426.96

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Solution

The fourth proportional to 157,133,303.52, 216,805,714.56 and 103,482,426.96 is: 142,780,562.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,133,303.52 : 216,805,714.56 = 103,482,426.96 : x
  2. Step 2: Convert to fraction form
    157,133,303.52/216,805,714.56 = 103,482,426.96/x
  3. Step 3: Cross multiply
    157,133,303.52x = 216,805,714.56 × 103,482,426.96
  4. Step 4: Simplify right side
    157,133,303.52x = 22,435,581,521,465,808
  5. Step 5: Solve for x
    x = 22,435,581,521,465,808/157,133,303.52
  6. Step 6: Final answer
    x = 142,780,562.87

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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.