Home / 153,233,042.28-211,466,064.22-83,622,906.96

Finding the Fourth Proportional to 153,233,042.28, 211,466,064.22 and 83,622,906.96

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Solution

The fourth proportional to 153,233,042.28, 211,466,064.22 and 83,622,906.96 is: 115,402,048.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,233,042.28 : 211,466,064.22 = 83,622,906.96 : x
  2. Step 2: Convert to fraction form
    153,233,042.28/211,466,064.22 = 83,622,906.96/x
  3. Step 3: Cross multiply
    153,233,042.28x = 211,466,064.22 × 83,622,906.96
  4. Step 4: Simplify right side
    153,233,042.28x = 17,683,407,013,466,444
  5. Step 5: Solve for x
    x = 17,683,407,013,466,444/153,233,042.28
  6. Step 6: Final answer
    x = 115,402,048.74

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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.