Home / 105,253,751.71-157,891,457.83-39,730,079.60

Finding the Fourth Proportional to 105,253,751.71, 157,891,457.83 and 39,730,079.60

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Solution

The fourth proportional to 105,253,751.71, 157,891,457.83 and 39,730,079.60 is: 59,599,207.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,253,751.71 : 157,891,457.83 = 39,730,079.60 : x
  2. Step 2: Convert to fraction form
    105,253,751.71/157,891,457.83 = 39,730,079.60/x
  3. Step 3: Cross multiply
    105,253,751.71x = 157,891,457.83 × 39,730,079.60
  4. Step 4: Simplify right side
    105,253,751.71x = 6,273,040,187,745,944
  5. Step 5: Solve for x
    x = 6,273,040,187,745,944/105,253,751.71
  6. Step 6: Final answer
    x = 59,599,207.49

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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.