Home / 253,117,971.34-349,300,227.29-140,087,685.76

Finding the Fourth Proportional to 253,117,971.34, 349,300,227.29 and 140,087,685.76

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Solution

The fourth proportional to 253,117,971.34, 349,300,227.29 and 140,087,685.76 is: 193,319,582.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,117,971.34 : 349,300,227.29 = 140,087,685.76 : x
  2. Step 2: Convert to fraction form
    253,117,971.34/349,300,227.29 = 140,087,685.76/x
  3. Step 3: Cross multiply
    253,117,971.34x = 349,300,227.29 × 140,087,685.76
  4. Step 4: Simplify right side
    253,117,971.34x = 48,932,660,474,924,408
  5. Step 5: Solve for x
    x = 48,932,660,474,924,408/253,117,971.34
  6. Step 6: Final answer
    x = 193,319,582.23

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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.