Home / 259,269,348.34-389,031,704.57-121,074,870.86

Finding the Fourth Proportional to 259,269,348.34, 389,031,704.57 and 121,074,870.86

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Solution

The fourth proportional to 259,269,348.34, 389,031,704.57 and 121,074,870.86 is: 181,671,931.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,269,348.34 : 389,031,704.57 = 121,074,870.86 : x
  2. Step 2: Convert to fraction form
    259,269,348.34/389,031,704.57 = 121,074,870.86/x
  3. Step 3: Cross multiply
    259,269,348.34x = 389,031,704.57 × 121,074,870.86
  4. Step 4: Simplify right side
    259,269,348.34x = 47,101,963,389,313,264
  5. Step 5: Solve for x
    x = 47,101,963,389,313,264/259,269,348.34
  6. Step 6: Final answer
    x = 181,671,931.88

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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.