Home / 152,901,207.02-229,173,919.45-87,368,283.86

Finding the Fourth Proportional to 152,901,207.02, 229,173,919.45 and 87,368,283.86

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Solution

The fourth proportional to 152,901,207.02, 229,173,919.45 and 87,368,283.86 is: 130,950,778.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,901,207.02 : 229,173,919.45 = 87,368,283.86 : x
  2. Step 2: Convert to fraction form
    152,901,207.02/229,173,919.45 = 87,368,283.86/x
  3. Step 3: Cross multiply
    152,901,207.02x = 229,173,919.45 × 87,368,283.86
  4. Step 4: Simplify right side
    152,901,207.02x = 20,022,532,046,452,084
  5. Step 5: Solve for x
    x = 20,022,532,046,452,084/152,901,207.02
  6. Step 6: Final answer
    x = 130,950,778.19

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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.