Home / 153,818,049.18-212,268,891.96-83,253,647.22

Finding the Fourth Proportional to 153,818,049.18, 212,268,891.96 and 83,253,647.22

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Solution

The fourth proportional to 153,818,049.18, 212,268,891.96 and 83,253,647.22 is: 114,890,024.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,818,049.18 : 212,268,891.96 = 83,253,647.22 : x
  2. Step 2: Convert to fraction form
    153,818,049.18/212,268,891.96 = 83,253,647.22/x
  3. Step 3: Cross multiply
    153,818,049.18x = 212,268,891.96 × 83,253,647.22
  4. Step 4: Simplify right side
    153,818,049.18x = 17,672,159,447,018,134
  5. Step 5: Solve for x
    x = 17,672,159,447,018,134/153,818,049.18
  6. Step 6: Final answer
    x = 114,890,024.55

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1.5x scale

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.