Home / 134,859,182.72-186,105,666.48-72,979,523.36

Finding the Fourth Proportional to 134,859,182.72, 186,105,666.48 and 72,979,523.36

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Solution

The fourth proportional to 134,859,182.72, 186,105,666.48 and 72,979,523.36 is: 100,711,739.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,859,182.72 : 186,105,666.48 = 72,979,523.36 : x
  2. Step 2: Convert to fraction form
    134,859,182.72/186,105,666.48 = 72,979,523.36/x
  3. Step 3: Cross multiply
    134,859,182.72x = 186,105,666.48 × 72,979,523.36
  4. Step 4: Simplify right side
    134,859,182.72x = 13,581,902,834,305,528
  5. Step 5: Solve for x
    x = 13,581,902,834,305,528/134,859,182.72
  6. Step 6: Final answer
    x = 100,711,739.17

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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.