Home / 138,816,688.90-208,248,443.18-46,678,524.56

Finding the Fourth Proportional to 138,816,688.90, 208,248,443.18 and 46,678,524.56

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Solution

The fourth proportional to 138,816,688.90, 208,248,443.18 and 46,678,524.56 is: 70,025,658.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,816,688.90 : 208,248,443.18 = 46,678,524.56 : x
  2. Step 2: Convert to fraction form
    138,816,688.90/208,248,443.18 = 46,678,524.56/x
  3. Step 3: Cross multiply
    138,816,688.90x = 208,248,443.18 × 46,678,524.56
  4. Step 4: Simplify right side
    138,816,688.90x = 9,720,730,069,559,396
  5. Step 5: Solve for x
    x = 9,720,730,069,559,396/138,816,688.90
  6. Step 6: Final answer
    x = 70,025,658.63

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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.