Home / 70,591,031.31-97,417,988.64-39,230,401.98

Finding the Fourth Proportional to 70,591,031.31, 97,417,988.64 and 39,230,401.98

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Solution

The fourth proportional to 70,591,031.31, 97,417,988.64 and 39,230,401.98 is: 54,139,269.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,591,031.31 : 97,417,988.64 = 39,230,401.98 : x
  2. Step 2: Convert to fraction form
    70,591,031.31/97,417,988.64 = 39,230,401.98/x
  3. Step 3: Cross multiply
    70,591,031.31x = 97,417,988.64 × 39,230,401.98
  4. Step 4: Simplify right side
    70,591,031.31x = 3,821,746,854,430,273
  5. Step 5: Solve for x
    x = 3,821,746,854,430,273/70,591,031.31
  6. Step 6: Final answer
    x = 54,139,269.30

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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.