Home / 127,564,401-176,093,288.37-85,772,689.95

Finding the Fourth Proportional to 127,564,401, 176,093,288.37 and 85,772,689.95

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Solution

The fourth proportional to 127,564,401, 176,093,288.37 and 85,772,689.95 is: 118,402,900.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,564,401 : 176,093,288.37 = 85,772,689.95 : x
  2. Step 2: Convert to fraction form
    127,564,401/176,093,288.37 = 85,772,689.95/x
  3. Step 3: Cross multiply
    127,564,401x = 176,093,288.37 × 85,772,689.95
  4. Step 4: Simplify right side
    127,564,401x = 15,103,995,025,635,952
  5. Step 5: Solve for x
    x = 15,103,995,025,635,952/127,564,401
  6. Step 6: Final answer
    x = 118,402,900.08

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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.