Home / 90,681,030.02-125,141,064.84-49,427,833.70

Finding the Fourth Proportional to 90,681,030.02, 125,141,064.84 and 49,427,833.70

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Solution

The fourth proportional to 90,681,030.02, 125,141,064.84 and 49,427,833.70 is: 68,211,088.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,681,030.02 : 125,141,064.84 = 49,427,833.70 : x
  2. Step 2: Convert to fraction form
    90,681,030.02/125,141,064.84 = 49,427,833.70/x
  3. Step 3: Cross multiply
    90,681,030.02x = 125,141,064.84 × 49,427,833.70
  4. Step 4: Simplify right side
    90,681,030.02x = 6,185,451,741,952,438
  5. Step 5: Solve for x
    x = 6,185,451,741,952,438/90,681,030.02
  6. Step 6: Final answer
    x = 68,211,088.26

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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.