Home / 90,173,246.31-124,439,124.96-48,920,127.75

Finding the Fourth Proportional to 90,173,246.31, 124,439,124.96 and 48,920,127.75

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Solution

The fourth proportional to 90,173,246.31, 124,439,124.96 and 48,920,127.75 is: 67,509,800.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,173,246.31 : 124,439,124.96 = 48,920,127.75 : x
  2. Step 2: Convert to fraction form
    90,173,246.31/124,439,124.96 = 48,920,127.75/x
  3. Step 3: Cross multiply
    90,173,246.31x = 124,439,124.96 × 48,920,127.75
  4. Step 4: Simplify right side
    90,173,246.31x = 6,087,577,890,141,413
  5. Step 5: Solve for x
    x = 6,087,577,890,141,413/90,173,246.31
  6. Step 6: Final answer
    x = 67,509,800.74

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1.5x scale

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.