Home / 408,945,347.95-613,402,275.53-136,316,114.95

Finding the Fourth Proportional to 408,945,347.95, 613,402,275.53 and 136,316,114.95

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Solution

The fourth proportional to 408,945,347.95, 613,402,275.53 and 136,316,114.95 is: 204,468,923.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,945,347.95 : 613,402,275.53 = 136,316,114.95 : x
  2. Step 2: Convert to fraction form
    408,945,347.95/613,402,275.53 = 136,316,114.95/x
  3. Step 3: Cross multiply
    408,945,347.95x = 613,402,275.53 × 136,316,114.95
  4. Step 4: Simplify right side
    408,945,347.95x = 83,616,615,101,057,456
  5. Step 5: Solve for x
    x = 83,616,615,101,057,456/408,945,347.95
  6. Step 6: Final answer
    x = 204,468,923.59

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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.