Home / 72,423,139.60-108,634,709.40-34,159,387.60

Finding the Fourth Proportional to 72,423,139.60, 108,634,709.40 and 34,159,387.60

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Solution

The fourth proportional to 72,423,139.60, 108,634,709.40 and 34,159,387.60 is: 51,239,081.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,423,139.60 : 108,634,709.40 = 34,159,387.60 : x
  2. Step 2: Convert to fraction form
    72,423,139.60/108,634,709.40 = 34,159,387.60/x
  3. Step 3: Cross multiply
    72,423,139.60x = 108,634,709.40 × 34,159,387.60
  4. Step 4: Simplify right side
    72,423,139.60x = 3,710,895,145,207,964
  5. Step 5: Solve for x
    x = 3,710,895,145,207,964/72,423,139.60
  6. Step 6: Final answer
    x = 51,239,081.40

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Similar ratio
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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.