Home / 66,429,140.70-99,643,711.05-52,992,212.70

Finding the Fourth Proportional to 66,429,140.70, 99,643,711.05 and 52,992,212.70

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Solution

The fourth proportional to 66,429,140.70, 99,643,711.05 and 52,992,212.70 is: 79,488,319.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,429,140.70 : 99,643,711.05 = 52,992,212.70 : x
  2. Step 2: Convert to fraction form
    66,429,140.70/99,643,711.05 = 52,992,212.70/x
  3. Step 3: Cross multiply
    66,429,140.70x = 99,643,711.05 × 52,992,212.70
  4. Step 4: Simplify right side
    66,429,140.70x = 5,280,340,730,178,940
  5. Step 5: Solve for x
    x = 5,280,340,730,178,940/66,429,140.70
  6. Step 6: Final answer
    x = 79,488,319.05

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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.