Home / 130,740,908.96-180,442,069.20-99,327,264.56

Finding the Fourth Proportional to 130,740,908.96, 180,442,069.20 and 99,327,264.56

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Solution

The fourth proportional to 130,740,908.96, 180,442,069.20 and 99,327,264.56 is: 137,086,526.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,740,908.96 : 180,442,069.20 = 99,327,264.56 : x
  2. Step 2: Convert to fraction form
    130,740,908.96/180,442,069.20 = 99,327,264.56/x
  3. Step 3: Cross multiply
    130,740,908.96x = 180,442,069.20 × 99,327,264.56
  4. Step 4: Simplify right side
    130,740,908.96x = 17,922,817,145,182,226
  5. Step 5: Solve for x
    x = 17,922,817,145,182,226/130,740,908.96
  6. Step 6: Final answer
    x = 137,086,526.99

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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.