Home / 48,980,281.39-73,424,937.95-21,671,988.78

Finding the Fourth Proportional to 48,980,281.39, 73,424,937.95 and 21,671,988.78

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Solution

The fourth proportional to 48,980,281.39, 73,424,937.95 and 21,671,988.78 is: 32,487,858.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,980,281.39 : 73,424,937.95 = 21,671,988.78 : x
  2. Step 2: Convert to fraction form
    48,980,281.39/73,424,937.95 = 21,671,988.78/x
  3. Step 3: Cross multiply
    48,980,281.39x = 73,424,937.95 × 21,671,988.78
  4. Step 4: Simplify right side
    48,980,281.39x = 1,591,264,431,424,596.25
  5. Step 5: Solve for x
    x = 1,591,264,431,424,596.25/48,980,281.39
  6. Step 6: Final answer
    x = 32,487,858.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.