Home / 134,123,047.62-185,091,451.28-81,199,036.36

Finding the Fourth Proportional to 134,123,047.62, 185,091,451.28 and 81,199,036.36

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Solution

The fourth proportional to 134,123,047.62, 185,091,451.28 and 81,199,036.36 is: 112,055,666.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,123,047.62 : 185,091,451.28 = 81,199,036.36 : x
  2. Step 2: Convert to fraction form
    134,123,047.62/185,091,451.28 = 81,199,036.36/x
  3. Step 3: Cross multiply
    134,123,047.62x = 185,091,451.28 × 81,199,036.36
  4. Step 4: Simplify right side
    134,123,047.62x = 15,029,247,482,409,888
  5. Step 5: Solve for x
    x = 15,029,247,482,409,888/134,123,047.62
  6. Step 6: Final answer
    x = 112,055,666.41

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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.