Home / 90,173,335.61-124,439,444.34-48,920,227.98

Finding the Fourth Proportional to 90,173,335.61, 124,439,444.34 and 48,920,227.98

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Solution

The fourth proportional to 90,173,335.61, 124,439,444.34 and 48,920,227.98 is: 67,510,045.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,173,335.61 : 124,439,444.34 = 48,920,227.98 : x
  2. Step 2: Convert to fraction form
    90,173,335.61/124,439,444.34 = 48,920,227.98/x
  3. Step 3: Cross multiply
    90,173,335.61x = 124,439,444.34 × 48,920,227.98
  4. Step 4: Simplify right side
    90,173,335.61x = 6,087,605,986,867,194
  5. Step 5: Solve for x
    x = 6,087,605,986,867,194/90,173,335.61
  6. Step 6: Final answer
    x = 67,510,045.47

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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.