Home / 66,429,142.70-99,643,714.05-52,992,214.70

Finding the Fourth Proportional to 66,429,142.70, 99,643,714.05 and 52,992,214.70

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Solution

The fourth proportional to 66,429,142.70, 99,643,714.05 and 52,992,214.70 is: 79,488,322.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,429,142.70 : 99,643,714.05 = 52,992,214.70 : x
  2. Step 2: Convert to fraction form
    66,429,142.70/99,643,714.05 = 52,992,214.70/x
  3. Step 3: Cross multiply
    66,429,142.70x = 99,643,714.05 × 52,992,214.70
  4. Step 4: Simplify right side
    66,429,142.70x = 5,280,341,088,443,007
  5. Step 5: Solve for x
    x = 5,280,341,088,443,007/66,429,142.70
  6. Step 6: Final answer
    x = 79,488,322.05

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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.