Home / 177,182,431.40-265,773,647.10-129,406,687.40

Finding the Fourth Proportional to 177,182,431.40, 265,773,647.10 and 129,406,687.40

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Solution

The fourth proportional to 177,182,431.40, 265,773,647.10 and 129,406,687.40 is: 194,110,031.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,182,431.40 : 265,773,647.10 = 129,406,687.40 : x
  2. Step 2: Convert to fraction form
    177,182,431.40/265,773,647.10 = 129,406,687.40/x
  3. Step 3: Cross multiply
    177,182,431.40x = 265,773,647.10 × 129,406,687.40
  4. Step 4: Simplify right side
    177,182,431.40x = 34,392,887,269,427,616
  5. Step 5: Solve for x
    x = 34,392,887,269,427,616/177,182,431.40
  6. Step 6: Final answer
    x = 194,110,031.10

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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.