Home / 81,717,378.81-112,770,743.45-45,049,262.01

Finding the Fourth Proportional to 81,717,378.81, 112,770,743.45 and 45,049,262.01

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Solution

The fourth proportional to 81,717,378.81, 112,770,743.45 and 45,049,262.01 is: 62,168,400.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,717,378.81 : 112,770,743.45 = 45,049,262.01 : x
  2. Step 2: Convert to fraction form
    81,717,378.81/112,770,743.45 = 45,049,262.01/x
  3. Step 3: Cross multiply
    81,717,378.81x = 112,770,743.45 × 45,049,262.01
  4. Step 4: Simplify right side
    81,717,378.81x = 5,080,238,768,516,294
  5. Step 5: Solve for x
    x = 5,080,238,768,516,294/81,717,378.81
  6. Step 6: Final answer
    x = 62,168,400.93

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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.