Home / 131,239,420,167.61-181,139,535,574.70-79,787,047,044.20

Finding the Fourth Proportional to 131,239,420,167.61, 181,139,535,574.70 and 79,787,047,044.20

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Solution

The fourth proportional to 131,239,420,167.61, 181,139,535,574.70 and 79,787,047,044.20 is: 110,123,838,005.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,239,420,167.61 : 181,139,535,574.70 = 79,787,047,044.20 : x
  2. Step 2: Convert to fraction form
    131,239,420,167.61/181,139,535,574.70 = 79,787,047,044.20/x
  3. Step 3: Cross multiply
    131,239,420,167.61x = 181,139,535,574.70 × 79,787,047,044.20
  4. Step 4: Simplify right side
    131,239,420,167.61x = 14,452,588,646,463,491,276,800
  5. Step 5: Solve for x
    x = 14,452,588,646,463,491,276,800/131,239,420,167.61
  6. Step 6: Final answer
    x = 110,123,838,005.42

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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.