Home / 105,187,395.28-145,155,820.76-58,778,030.56

Finding the Fourth Proportional to 105,187,395.28, 145,155,820.76 and 58,778,030.56

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Solution

The fourth proportional to 105,187,395.28, 145,155,820.76 and 58,778,030.56 is: 81,112,126.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,187,395.28 : 145,155,820.76 = 58,778,030.56 : x
  2. Step 2: Convert to fraction form
    105,187,395.28/145,155,820.76 = 58,778,030.56/x
  3. Step 3: Cross multiply
    105,187,395.28x = 145,155,820.76 × 58,778,030.56
  4. Step 4: Simplify right side
    105,187,395.28x = 8,531,973,268,593,162
  5. Step 5: Solve for x
    x = 8,531,973,268,593,162/105,187,395.28
  6. Step 6: Final answer
    x = 81,112,126.09

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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.