Home / 121,581,946.83-167,782,864.83-65,827,360.41

Finding the Fourth Proportional to 121,581,946.83, 167,782,864.83 and 65,827,360.41

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Solution

The fourth proportional to 121,581,946.83, 167,782,864.83 and 65,827,360.41 is: 90,841,637.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,581,946.83 : 167,782,864.83 = 65,827,360.41 : x
  2. Step 2: Convert to fraction form
    121,581,946.83/167,782,864.83 = 65,827,360.41/x
  3. Step 3: Cross multiply
    121,581,946.83x = 167,782,864.83 × 65,827,360.41
  4. Step 4: Simplify right side
    121,581,946.83x = 11,044,703,112,910,684
  5. Step 5: Solve for x
    x = 11,044,703,112,910,684/121,581,946.83
  6. Step 6: Final answer
    x = 90,841,637.27

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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.