Home / 104,816,170.80-157,224,256.20-66,646,897.20

Finding the Fourth Proportional to 104,816,170.80, 157,224,256.20 and 66,646,897.20

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Solution

The fourth proportional to 104,816,170.80, 157,224,256.20 and 66,646,897.20 is: 99,970,345.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,816,170.80 : 157,224,256.20 = 66,646,897.20 : x
  2. Step 2: Convert to fraction form
    104,816,170.80/157,224,256.20 = 66,646,897.20/x
  3. Step 3: Cross multiply
    104,816,170.80x = 157,224,256.20 × 66,646,897.20
  4. Step 4: Simplify right side
    104,816,170.80x = 10,478,508,840,307,862
  5. Step 5: Solve for x
    x = 10,478,508,840,307,862/104,816,170.80
  6. Step 6: Final answer
    x = 99,970,345.80

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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.