Home / 104,962,403.80-157,443,605.70-66,793,130.20

Finding the Fourth Proportional to 104,962,403.80, 157,443,605.70 and 66,793,130.20

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Solution

The fourth proportional to 104,962,403.80, 157,443,605.70 and 66,793,130.20 is: 100,189,695.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,962,403.80 : 157,443,605.70 = 66,793,130.20 : x
  2. Step 2: Convert to fraction form
    104,962,403.80/157,443,605.70 = 66,793,130.20/x
  3. Step 3: Cross multiply
    104,962,403.80x = 157,443,605.70 × 66,793,130.20
  4. Step 4: Simplify right side
    104,962,403.80x = 10,516,151,254,677,562
  5. Step 5: Solve for x
    x = 10,516,151,254,677,562/104,962,403.80
  6. Step 6: Final answer
    x = 100,189,695.30

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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.