Home / 138,816,689.90-208,248,444.68-46,678,525.56

Finding the Fourth Proportional to 138,816,689.90, 208,248,444.68 and 46,678,525.56

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Solution

The fourth proportional to 138,816,689.90, 208,248,444.68 and 46,678,525.56 is: 70,025,660.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,816,689.90 : 208,248,444.68 = 46,678,525.56 : x
  2. Step 2: Convert to fraction form
    138,816,689.90/208,248,444.68 = 46,678,525.56/x
  3. Step 3: Cross multiply
    138,816,689.90x = 208,248,444.68 × 46,678,525.56
  4. Step 4: Simplify right side
    138,816,689.90x = 9,720,730,347,825,626
  5. Step 5: Solve for x
    x = 9,720,730,347,825,626/138,816,689.90
  6. Step 6: Final answer
    x = 70,025,660.13

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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.