Home / 123,891,601.95-170,957,008.08-71,670,880.76

Finding the Fourth Proportional to 123,891,601.95, 170,957,008.08 and 71,670,880.76

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Solution

The fourth proportional to 123,891,601.95, 170,957,008.08 and 71,670,880.76 is: 98,898,062.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,891,601.95 : 170,957,008.08 = 71,670,880.76 : x
  2. Step 2: Convert to fraction form
    123,891,601.95/170,957,008.08 = 71,670,880.76/x
  3. Step 3: Cross multiply
    123,891,601.95x = 170,957,008.08 × 71,670,880.76
  4. Step 4: Simplify right side
    123,891,601.95x = 12,252,639,340,333,252
  5. Step 5: Solve for x
    x = 12,252,639,340,333,252/123,891,601.95
  6. Step 6: Final answer
    x = 98,898,062.08

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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.