Home / 101,534,320.65-140,248,797.89-83,964,193.81

Finding the Fourth Proportional to 101,534,320.65, 140,248,797.89 and 83,964,193.81

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Solution

The fourth proportional to 101,534,320.65, 140,248,797.89 and 83,964,193.81 is: 115,979,278.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,534,320.65 : 140,248,797.89 = 83,964,193.81 : x
  2. Step 2: Convert to fraction form
    101,534,320.65/140,248,797.89 = 83,964,193.81/x
  3. Step 3: Cross multiply
    101,534,320.65x = 140,248,797.89 × 83,964,193.81
  4. Step 4: Simplify right side
    101,534,320.65x = 11,775,877,246,885,036
  5. Step 5: Solve for x
    x = 11,775,877,246,885,036/101,534,320.65
  6. Step 6: Final answer
    x = 115,979,278.45

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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.