Home / 101,161,176.17-139,605,808.22-61,995,389.18

Finding the Fourth Proportional to 101,161,176.17, 139,605,808.22 and 61,995,389.18

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Solution

The fourth proportional to 101,161,176.17, 139,605,808.22 and 61,995,389.18 is: 85,555,711.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,161,176.17 : 139,605,808.22 = 61,995,389.18 : x
  2. Step 2: Convert to fraction form
    101,161,176.17/139,605,808.22 = 61,995,389.18/x
  3. Step 3: Cross multiply
    101,161,176.17x = 139,605,808.22 × 61,995,389.18
  4. Step 4: Simplify right side
    101,161,176.17x = 8,654,916,412,426,380
  5. Step 5: Solve for x
    x = 8,654,916,412,426,380/101,161,176.17
  6. Step 6: Final answer
    x = 85,555,711.59

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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.