Home / 197,425,080.16-272,730,397.50-157,680,429.48

Finding the Fourth Proportional to 197,425,080.16, 272,730,397.50 and 157,680,429.48

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Solution

The fourth proportional to 197,425,080.16, 272,730,397.50 and 157,680,429.48 is: 217,825,648.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,425,080.16 : 272,730,397.50 = 157,680,429.48 : x
  2. Step 2: Convert to fraction form
    197,425,080.16/272,730,397.50 = 157,680,429.48/x
  3. Step 3: Cross multiply
    197,425,080.16x = 272,730,397.50 × 157,680,429.48
  4. Step 4: Simplify right side
    197,425,080.16x = 43,004,246,210,051,112
  5. Step 5: Solve for x
    x = 43,004,246,210,051,112/197,425,080.16
  6. Step 6: Final answer
    x = 217,825,648.98

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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.