Home / 154,452,308.70-231,674,920.65-77,754,740.70

Finding the Fourth Proportional to 154,452,308.70, 231,674,920.65 and 77,754,740.70

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Solution

The fourth proportional to 154,452,308.70, 231,674,920.65 and 77,754,740.70 is: 116,630,327.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,452,308.70 : 231,674,920.65 = 77,754,740.70 : x
  2. Step 2: Convert to fraction form
    154,452,308.70/231,674,920.65 = 77,754,740.70/x
  3. Step 3: Cross multiply
    154,452,308.70x = 231,674,920.65 × 77,754,740.70
  4. Step 4: Simplify right side
    154,452,308.70x = 18,013,823,381,833,826
  5. Step 5: Solve for x
    x = 18,013,823,381,833,826/154,452,308.70
  6. Step 6: Final answer
    x = 116,630,327.73

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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.