Home / 104,976,129.10-157,464,193.65-66,680,884.30

Finding the Fourth Proportional to 104,976,129.10, 157,464,193.65 and 66,680,884.30

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Solution

The fourth proportional to 104,976,129.10, 157,464,193.65 and 66,680,884.30 is: 100,021,326.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,129.10 : 157,464,193.65 = 66,680,884.30 : x
  2. Step 2: Convert to fraction form
    104,976,129.10/157,464,193.65 = 66,680,884.30/x
  3. Step 3: Cross multiply
    104,976,129.10x = 157,464,193.65 × 66,680,884.30
  4. Step 4: Simplify right side
    104,976,129.10x = 10,499,851,678,168,444
  5. Step 5: Solve for x
    x = 10,499,851,678,168,444/104,976,129.10
  6. Step 6: Final answer
    x = 100,021,326.45

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1.5x scale

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.