Home / 169,031,842.80-253,547,764.20-130,720,851.60

Finding the Fourth Proportional to 169,031,842.80, 253,547,764.20 and 130,720,851.60

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Solution

The fourth proportional to 169,031,842.80, 253,547,764.20 and 130,720,851.60 is: 196,081,277.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,031,842.80 : 253,547,764.20 = 130,720,851.60 : x
  2. Step 2: Convert to fraction form
    169,031,842.80/253,547,764.20 = 130,720,851.60/x
  3. Step 3: Cross multiply
    169,031,842.80x = 253,547,764.20 × 130,720,851.60
  4. Step 4: Simplify right side
    169,031,842.80x = 33,143,979,657,499,988
  5. Step 5: Solve for x
    x = 33,143,979,657,499,988/169,031,842.80
  6. Step 6: Final answer
    x = 196,081,277.40

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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.