Home / 130,708,874.88-180,046,061.28-99,715,235.76

Finding the Fourth Proportional to 130,708,874.88, 180,046,061.28 and 99,715,235.76

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Solution

The fourth proportional to 130,708,874.88, 180,046,061.28 and 99,715,235.76 is: 137,353,607.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,708,874.88 : 180,046,061.28 = 99,715,235.76 : x
  2. Step 2: Convert to fraction form
    130,708,874.88/180,046,061.28 = 99,715,235.76/x
  3. Step 3: Cross multiply
    130,708,874.88x = 180,046,061.28 × 99,715,235.76
  4. Step 4: Simplify right side
    130,708,874.88x = 17,953,335,448,194,608
  5. Step 5: Solve for x
    x = 17,953,335,448,194,608/130,708,874.88
  6. Step 6: Final answer
    x = 137,353,607.13

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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.