Home / 90,224,644.81-124,506,675.78-48,970,651.45

Finding the Fourth Proportional to 90,224,644.81, 124,506,675.78 and 48,970,651.45

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Solution

The fourth proportional to 90,224,644.81, 124,506,675.78 and 48,970,651.45 is: 67,577,689.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,224,644.81 : 124,506,675.78 = 48,970,651.45 : x
  2. Step 2: Convert to fraction form
    90,224,644.81/124,506,675.78 = 48,970,651.45/x
  3. Step 3: Cross multiply
    90,224,644.81x = 124,506,675.78 × 48,970,651.45
  4. Step 4: Simplify right side
    90,224,644.81x = 6,097,173,022,198,004
  5. Step 5: Solve for x
    x = 6,097,173,022,198,004/90,224,644.81
  6. Step 6: Final answer
    x = 67,577,689.39

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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.