Home / 89,134,259.66-122,975,875.18-53,838,876.59

Finding the Fourth Proportional to 89,134,259.66, 122,975,875.18 and 53,838,876.59

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Solution

The fourth proportional to 89,134,259.66, 122,975,875.18 and 53,838,876.59 is: 74,279,889.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,134,259.66 : 122,975,875.18 = 53,838,876.59 : x
  2. Step 2: Convert to fraction form
    89,134,259.66/122,975,875.18 = 53,838,876.59/x
  3. Step 3: Cross multiply
    89,134,259.66x = 122,975,875.18 × 53,838,876.59
  4. Step 4: Simplify right side
    89,134,259.66x = 6,620,882,967,363,265
  5. Step 5: Solve for x
    x = 6,620,882,967,363,265/89,134,259.66
  6. Step 6: Final answer
    x = 74,279,889.60

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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.