Home / 123,853,841.33-170,922,688.02-68,103,507.11

Finding the Fourth Proportional to 123,853,841.33, 170,922,688.02 and 68,103,507.11

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Solution

The fourth proportional to 123,853,841.33, 170,922,688.02 and 68,103,507.11 is: 93,985,252.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,853,841.33 : 170,922,688.02 = 68,103,507.11 : x
  2. Step 2: Convert to fraction form
    123,853,841.33/170,922,688.02 = 68,103,507.11/x
  3. Step 3: Cross multiply
    123,853,841.33x = 170,922,688.02 × 68,103,507.11
  4. Step 4: Simplify right side
    123,853,841.33x = 11,640,434,497,975,770
  5. Step 5: Solve for x
    x = 11,640,434,497,975,770/123,853,841.33
  6. Step 6: Final answer
    x = 93,985,252.08

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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.