Home / 90,224,637.91-124,506,666.30-48,970,644.55

Finding the Fourth Proportional to 90,224,637.91, 124,506,666.30 and 48,970,644.55

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Solution

The fourth proportional to 90,224,637.91, 124,506,666.30 and 48,970,644.55 is: 67,577,679.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,224,637.91 : 124,506,666.30 = 48,970,644.55 : x
  2. Step 2: Convert to fraction form
    90,224,637.91/124,506,666.30 = 48,970,644.55/x
  3. Step 3: Cross multiply
    90,224,637.91x = 124,506,666.30 × 48,970,644.55
  4. Step 4: Simplify right side
    90,224,637.91x = 6,097,171,699,355,137
  5. Step 5: Solve for x
    x = 6,097,171,699,355,137/90,224,637.91
  6. Step 6: Final answer
    x = 67,577,679.90

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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.