Home / 90,173,266.32-124,439,152.56-48,920,147.76

Finding the Fourth Proportional to 90,173,266.32, 124,439,152.56 and 48,920,147.76

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Solution

The fourth proportional to 90,173,266.32, 124,439,152.56 and 48,920,147.76 is: 67,509,828.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,173,266.32 : 124,439,152.56 = 48,920,147.76 : x
  2. Step 2: Convert to fraction form
    90,173,266.32/124,439,152.56 = 48,920,147.76/x
  3. Step 3: Cross multiply
    90,173,266.32x = 124,439,152.56 × 48,920,147.76
  4. Step 4: Simplify right side
    90,173,266.32x = 6,087,581,730,364,382
  5. Step 5: Solve for x
    x = 6,087,581,730,364,382/90,173,266.32
  6. Step 6: Final answer
    x = 67,509,828.34

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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.