Home / 153,217,931.58-229,825,382.76-70,196,134.68

Finding the Fourth Proportional to 153,217,931.58, 229,825,382.76 and 70,196,134.68

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Solution

The fourth proportional to 153,217,931.58, 229,825,382.76 and 70,196,134.68 is: 105,293,508.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,217,931.58 : 229,825,382.76 = 70,196,134.68 : x
  2. Step 2: Convert to fraction form
    153,217,931.58/229,825,382.76 = 70,196,134.68/x
  3. Step 3: Cross multiply
    153,217,931.58x = 229,825,382.76 × 70,196,134.68
  4. Step 4: Simplify right side
    153,217,931.58x = 16,132,853,521,103,512
  5. Step 5: Solve for x
    x = 16,132,853,521,103,512/153,217,931.58
  6. Step 6: Final answer
    x = 105,293,508.11

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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.