Home / 157,047,803.12-235,679,310.52-54,811,840.72

Finding the Fourth Proportional to 157,047,803.12, 235,679,310.52 and 54,811,840.72

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Solution

The fourth proportional to 157,047,803.12, 235,679,310.52 and 54,811,840.72 is: 82,255,317.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,047,803.12 : 235,679,310.52 = 54,811,840.72 : x
  2. Step 2: Convert to fraction form
    157,047,803.12/235,679,310.52 = 54,811,840.72/x
  3. Step 3: Cross multiply
    157,047,803.12x = 235,679,310.52 × 54,811,840.72
  4. Step 4: Simplify right side
    157,047,803.12x = 12,918,016,829,221,660
  5. Step 5: Solve for x
    x = 12,918,016,829,221,660/157,047,803.12
  6. Step 6: Final answer
    x = 82,255,317.00

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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.