Home / 123,360,918.76-170,238,069.02-68,356,775.24

Finding the Fourth Proportional to 123,360,918.76, 170,238,069.02 and 68,356,775.24

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Solution

The fourth proportional to 123,360,918.76, 170,238,069.02 and 68,356,775.24 is: 94,332,350.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,360,918.76 : 170,238,069.02 = 68,356,775.24 : x
  2. Step 2: Convert to fraction form
    123,360,918.76/170,238,069.02 = 68,356,775.24/x
  3. Step 3: Cross multiply
    123,360,918.76x = 170,238,069.02 × 68,356,775.24
  4. Step 4: Simplify right side
    123,360,918.76x = 11,636,925,421,291,746
  5. Step 5: Solve for x
    x = 11,636,925,421,291,746/123,360,918.76
  6. Step 6: Final answer
    x = 94,332,350.46

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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.