Home / 155,847,526.02-215,069,837.85-86,235,840.90

Finding the Fourth Proportional to 155,847,526.02, 215,069,837.85 and 86,235,840.90

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Solution

The fourth proportional to 155,847,526.02, 215,069,837.85 and 86,235,840.90 is: 119,005,599.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,847,526.02 : 215,069,837.85 = 86,235,840.90 : x
  2. Step 2: Convert to fraction form
    155,847,526.02/215,069,837.85 = 86,235,840.90/x
  3. Step 3: Cross multiply
    155,847,526.02x = 215,069,837.85 × 86,235,840.90
  4. Step 4: Simplify right side
    155,847,526.02x = 18,546,728,319,221,400
  5. Step 5: Solve for x
    x = 18,546,728,319,221,400/155,847,526.02
  6. Step 6: Final answer
    x = 119,005,599.85

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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.