Home / 87,172,340.40-130,758,510.60-48,908,588.40

Finding the Fourth Proportional to 87,172,340.40, 130,758,510.60 and 48,908,588.40

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Solution

The fourth proportional to 87,172,340.40, 130,758,510.60 and 48,908,588.40 is: 73,362,882.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,172,340.40 : 130,758,510.60 = 48,908,588.40 : x
  2. Step 2: Convert to fraction form
    87,172,340.40/130,758,510.60 = 48,908,588.40/x
  3. Step 3: Cross multiply
    87,172,340.40x = 130,758,510.60 × 48,908,588.40
  4. Step 4: Simplify right side
    87,172,340.40x = 6,395,214,174,732,437
  5. Step 5: Solve for x
    x = 6,395,214,174,732,437/87,172,340.40
  6. Step 6: Final answer
    x = 73,362,882.60

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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.