Home / 185,756,465.90-278,633,714.70-47,581,805.90

Finding the Fourth Proportional to 185,756,465.90, 278,633,714.70 and 47,581,805.90

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Solution

The fourth proportional to 185,756,465.90, 278,633,714.70 and 47,581,805.90 is: 71,372,456.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,756,465.90 : 278,633,714.70 = 47,581,805.90 : x
  2. Step 2: Convert to fraction form
    185,756,465.90/278,633,714.70 = 47,581,805.90/x
  3. Step 3: Cross multiply
    185,756,465.90x = 278,633,714.70 × 47,581,805.90
  4. Step 4: Simplify right side
    185,756,465.90x = 13,257,895,330,051,376
  5. Step 5: Solve for x
    x = 13,257,895,330,051,376/185,756,465.90
  6. Step 6: Final answer
    x = 71,372,456.76

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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.