Home / 105,660,011.49-158,491,237.47-31,884,430.65

Finding the Fourth Proportional to 105,660,011.49, 158,491,237.47 and 31,884,430.65

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Solution

The fourth proportional to 105,660,011.49, 158,491,237.47 and 31,884,430.65 is: 47,827,014.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,660,011.49 : 158,491,237.47 = 31,884,430.65 : x
  2. Step 2: Convert to fraction form
    105,660,011.49/158,491,237.47 = 31,884,430.65/x
  3. Step 3: Cross multiply
    105,660,011.49x = 158,491,237.47 × 31,884,430.65
  4. Step 4: Simplify right side
    105,660,011.49x = 5,053,402,869,744,896
  5. Step 5: Solve for x
    x = 5,053,402,869,744,896/105,660,011.49
  6. Step 6: Final answer
    x = 47,827,014.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.