Home / 90,224,644.12-124,506,674.83-48,970,650.76

Finding the Fourth Proportional to 90,224,644.12, 124,506,674.83 and 48,970,650.76

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Solution

The fourth proportional to 90,224,644.12, 124,506,674.83 and 48,970,650.76 is: 67,577,688.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,224,644.12 : 124,506,674.83 = 48,970,650.76 : x
  2. Step 2: Convert to fraction form
    90,224,644.12/124,506,674.83 = 48,970,650.76/x
  3. Step 3: Cross multiply
    90,224,644.12x = 124,506,674.83 × 48,970,650.76
  4. Step 4: Simplify right side
    90,224,644.12x = 6,097,172,890,138,759
  5. Step 5: Solve for x
    x = 6,097,172,890,138,759/90,224,644.12
  6. Step 6: Final answer
    x = 67,577,688.44

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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.