Home / 105,031,616.68-144,943,831.59-57,988,781.15

Finding the Fourth Proportional to 105,031,616.68, 144,943,831.59 and 57,988,781.15

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Solution

The fourth proportional to 105,031,616.68, 144,943,831.59 and 57,988,781.15 is: 80,024,628.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,031,616.68 : 144,943,831.59 = 57,988,781.15 : x
  2. Step 2: Convert to fraction form
    105,031,616.68/144,943,831.59 = 57,988,781.15/x
  3. Step 3: Cross multiply
    105,031,616.68x = 144,943,831.59 × 57,988,781.15
  4. Step 4: Simplify right side
    105,031,616.68x = 8,405,116,129,114,967
  5. Step 5: Solve for x
    x = 8,405,116,129,114,967/105,031,616.68
  6. Step 6: Final answer
    x = 80,024,628.73

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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.