Home / 123,270,327.95-170,115,805.53-70,345,981.71

Finding the Fourth Proportional to 123,270,327.95, 170,115,805.53 and 70,345,981.71

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Solution

The fourth proportional to 123,270,327.95, 170,115,805.53 and 70,345,981.71 is: 97,079,025.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,270,327.95 : 170,115,805.53 = 70,345,981.71 : x
  2. Step 2: Convert to fraction form
    123,270,327.95/170,115,805.53 = 70,345,981.71/x
  3. Step 3: Cross multiply
    123,270,327.95x = 170,115,805.53 × 70,345,981.71
  4. Step 4: Simplify right side
    123,270,327.95x = 11,966,963,344,395,296
  5. Step 5: Solve for x
    x = 11,966,963,344,395,296/123,270,327.95
  6. Step 6: Final answer
    x = 97,079,025.78

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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.