Home / 66,112,288.10-99,168,432.15-45,704,953.70

Finding the Fourth Proportional to 66,112,288.10, 99,168,432.15 and 45,704,953.70

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Solution

The fourth proportional to 66,112,288.10, 99,168,432.15 and 45,704,953.70 is: 68,557,430.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,112,288.10 : 99,168,432.15 = 45,704,953.70 : x
  2. Step 2: Convert to fraction form
    66,112,288.10/99,168,432.15 = 45,704,953.70/x
  3. Step 3: Cross multiply
    66,112,288.10x = 99,168,432.15 × 45,704,953.70
  4. Step 4: Simplify right side
    66,112,288.10x = 4,532,488,599,917,342
  5. Step 5: Solve for x
    x = 4,532,488,599,917,342/66,112,288.10
  6. Step 6: Final answer
    x = 68,557,430.55

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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.