Home / 99,168,330.10-148,752,495.15-31,031,907.70

Finding the Fourth Proportional to 99,168,330.10, 148,752,495.15 and 31,031,907.70

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Solution

The fourth proportional to 99,168,330.10, 148,752,495.15 and 31,031,907.70 is: 46,547,861.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,168,330.10 : 148,752,495.15 = 31,031,907.70 : x
  2. Step 2: Convert to fraction form
    99,168,330.10/148,752,495.15 = 31,031,907.70/x
  3. Step 3: Cross multiply
    99,168,330.10x = 148,752,495.15 × 31,031,907.70
  4. Step 4: Simplify right side
    99,168,330.10x = 4,616,073,699,639,498
  5. Step 5: Solve for x
    x = 4,616,073,699,639,498/99,168,330.10
  6. Step 6: Final answer
    x = 46,547,861.55

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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.