Home / 315,597,769.70-473,060,731.35-121,434,160.10

Finding the Fourth Proportional to 315,597,769.70, 473,060,731.35 and 121,434,160.10

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Solution

The fourth proportional to 315,597,769.70, 473,060,731.35 and 121,434,160.10 is: 182,021,985.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,597,769.70 : 473,060,731.35 = 121,434,160.10 : x
  2. Step 2: Convert to fraction form
    315,597,769.70/473,060,731.35 = 121,434,160.10/x
  3. Step 3: Cross multiply
    315,597,769.70x = 473,060,731.35 × 121,434,160.10
  4. Step 4: Simplify right side
    315,597,769.70x = 57,445,732,587,778,992
  5. Step 5: Solve for x
    x = 57,445,732,587,778,992/315,597,769.70
  6. Step 6: Final answer
    x = 182,021,985.27

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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.