Home / 90,219,077.28-124,503,521.04-48,966,464.16

Finding the Fourth Proportional to 90,219,077.28, 124,503,521.04 and 48,966,464.16

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Solution

The fourth proportional to 90,219,077.28, 124,503,521.04 and 48,966,464.16 is: 67,574,368.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,219,077.28 : 124,503,521.04 = 48,966,464.16 : x
  2. Step 2: Convert to fraction form
    90,219,077.28/124,503,521.04 = 48,966,464.16/x
  3. Step 3: Cross multiply
    90,219,077.28x = 124,503,521.04 × 48,966,464.16
  4. Step 4: Simplify right side
    90,219,077.28x = 6,096,497,200,798,966
  5. Step 5: Solve for x
    x = 6,096,497,200,798,966/90,219,077.28
  6. Step 6: Final answer
    x = 67,574,368.80

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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.