Home / 89,984,380.40-124,177,826.66-48,730,328.72

Finding the Fourth Proportional to 89,984,380.40, 124,177,826.66 and 48,730,328.72

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Solution

The fourth proportional to 89,984,380.40, 124,177,826.66 and 48,730,328.72 is: 67,247,518.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,984,380.40 : 124,177,826.66 = 48,730,328.72 : x
  2. Step 2: Convert to fraction form
    89,984,380.40/124,177,826.66 = 48,730,328.72/x
  3. Step 3: Cross multiply
    89,984,380.40x = 124,177,826.66 × 48,730,328.72
  4. Step 4: Simplify right side
    89,984,380.40x = 6,051,226,312,876,979
  5. Step 5: Solve for x
    x = 6,051,226,312,876,979/89,984,380.40
  6. Step 6: Final answer
    x = 67,247,518.80

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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.