Home / 155,847,508.02-215,069,813.01-86,235,822.90

Finding the Fourth Proportional to 155,847,508.02, 215,069,813.01 and 86,235,822.90

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Solution

The fourth proportional to 155,847,508.02, 215,069,813.01 and 86,235,822.90 is: 119,005,575.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,847,508.02 : 215,069,813.01 = 86,235,822.90 : x
  2. Step 2: Convert to fraction form
    155,847,508.02/215,069,813.01 = 86,235,822.90/x
  3. Step 3: Cross multiply
    155,847,508.02x = 215,069,813.01 × 86,235,822.90
  4. Step 4: Simplify right side
    155,847,508.02x = 18,546,722,305,866,476
  5. Step 5: Solve for x
    x = 18,546,722,305,866,476/155,847,508.02
  6. Step 6: Final answer
    x = 119,005,575.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.