Home / 90,227,006.72-124,509,919.20-48,973,011.20

Finding the Fourth Proportional to 90,227,006.72, 124,509,919.20 and 48,973,011.20

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Solution

The fourth proportional to 90,227,006.72, 124,509,919.20 and 48,973,011.20 is: 67,580,937.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,227,006.72 : 124,509,919.20 = 48,973,011.20 : x
  2. Step 2: Convert to fraction form
    90,227,006.72/124,509,919.20 = 48,973,011.20/x
  3. Step 3: Cross multiply
    90,227,006.72x = 124,509,919.20 × 48,973,011.20
  4. Step 4: Simplify right side
    90,227,006.72x = 6,097,625,667,492,696
  5. Step 5: Solve for x
    x = 6,097,625,667,492,696/90,227,006.72
  6. Step 6: Final answer
    x = 67,580,937.12

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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.