Home / 130,745,710.42-180,437,240.60-72,008,359.96

Finding the Fourth Proportional to 130,745,710.42, 180,437,240.60 and 72,008,359.96

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Solution

The fourth proportional to 130,745,710.42, 180,437,240.60 and 72,008,359.96 is: 99,376,031.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,745,710.42 : 180,437,240.60 = 72,008,359.96 : x
  2. Step 2: Convert to fraction form
    130,745,710.42/180,437,240.60 = 72,008,359.96/x
  3. Step 3: Cross multiply
    130,745,710.42x = 180,437,240.60 × 72,008,359.96
  4. Step 4: Simplify right side
    130,745,710.42x = 12,992,989,771,313,924
  5. Step 5: Solve for x
    x = 12,992,989,771,313,924/130,745,710.42
  6. Step 6: Final answer
    x = 99,376,031.00

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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.