Home / 130,560,463.07-180,167,758.53-71,819,403.61

Finding the Fourth Proportional to 130,560,463.07, 180,167,758.53 and 71,819,403.61

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Solution

The fourth proportional to 130,560,463.07, 180,167,758.53 and 71,819,403.61 is: 99,107,652.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,560,463.07 : 180,167,758.53 = 71,819,403.61 : x
  2. Step 2: Convert to fraction form
    130,560,463.07/180,167,758.53 = 71,819,403.61/x
  3. Step 3: Cross multiply
    130,560,463.07x = 180,167,758.53 × 71,819,403.61
  4. Step 4: Simplify right side
    130,560,463.07x = 12,939,540,966,655,348
  5. Step 5: Solve for x
    x = 12,939,540,966,655,348/130,560,463.07
  6. Step 6: Final answer
    x = 99,107,652.21

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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.