Home / 123,880,177.77-170,959,140.17-70,967,111.89

Finding the Fourth Proportional to 123,880,177.77, 170,959,140.17 and 70,967,111.89

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Solution

The fourth proportional to 123,880,177.77, 170,959,140.17 and 70,967,111.89 is: 97,937,189.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,880,177.77 : 170,959,140.17 = 70,967,111.89 : x
  2. Step 2: Convert to fraction form
    123,880,177.77/170,959,140.17 = 70,967,111.89/x
  3. Step 3: Cross multiply
    123,880,177.77x = 170,959,140.17 × 70,967,111.89
  4. Step 4: Simplify right side
    123,880,177.77x = 12,132,476,428,288,780
  5. Step 5: Solve for x
    x = 12,132,476,428,288,780/123,880,177.77
  6. Step 6: Final answer
    x = 97,937,189.36

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1.5x scale

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.