Home / 61,298,988.84-91,957,931.10-20,900,025

Finding the Fourth Proportional to 61,298,988.84, 91,957,931.10 and 20,900,025

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Solution

The fourth proportional to 61,298,988.84, 91,957,931.10 and 20,900,025 is: 31,353,258.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,298,988.84 : 91,957,931.10 = 20,900,025 : x
  2. Step 2: Convert to fraction form
    61,298,988.84/91,957,931.10 = 20,900,025/x
  3. Step 3: Cross multiply
    61,298,988.84x = 91,957,931.10 × 20,900,025
  4. Step 4: Simplify right side
    61,298,988.84x = 1,921,923,058,938,277.50
  5. Step 5: Solve for x
    x = 1,921,923,058,938,277.50/61,298,988.84
  6. Step 6: Final answer
    x = 31,353,258.76

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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.