Home / 123,259,730.88-170,098,488.24-67,508,657.51

Finding the Fourth Proportional to 123,259,730.88, 170,098,488.24 and 67,508,657.51

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Solution

The fourth proportional to 123,259,730.88, 170,098,488.24 and 67,508,657.51 is: 93,161,980.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,259,730.88 : 170,098,488.24 = 67,508,657.51 : x
  2. Step 2: Convert to fraction form
    123,259,730.88/170,098,488.24 = 67,508,657.51/x
  3. Step 3: Cross multiply
    123,259,730.88x = 170,098,488.24 × 67,508,657.51
  4. Step 4: Simplify right side
    123,259,730.88x = 11,483,120,584,712,430
  5. Step 5: Solve for x
    x = 11,483,120,584,712,430/123,259,730.88
  6. Step 6: Final answer
    x = 93,161,980.01

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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.