Home / 57,031,499.20-85,484,263.20-31,490,838.40

Finding the Fourth Proportional to 57,031,499.20, 85,484,263.20 and 31,490,838.40

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Solution

The fourth proportional to 57,031,499.20, 85,484,263.20 and 31,490,838.40 is: 47,201,479.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,031,499.20 : 85,484,263.20 = 31,490,838.40 : x
  2. Step 2: Convert to fraction form
    57,031,499.20/85,484,263.20 = 31,490,838.40/x
  3. Step 3: Cross multiply
    57,031,499.20x = 85,484,263.20 × 31,490,838.40
  4. Step 4: Simplify right side
    57,031,499.20x = 2,691,971,118,174,267
  5. Step 5: Solve for x
    x = 2,691,971,118,174,267/57,031,499.20
  6. Step 6: Final answer
    x = 47,201,479.11

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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.