Home / 288,141,215.67-432,223,780.32-83,669,290.92

Finding the Fourth Proportional to 288,141,215.67, 432,223,780.32 and 83,669,290.92

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Solution

The fourth proportional to 288,141,215.67, 432,223,780.32 and 83,669,290.92 is: 125,507,408.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,141,215.67 : 432,223,780.32 = 83,669,290.92 : x
  2. Step 2: Convert to fraction form
    288,141,215.67/432,223,780.32 = 83,669,290.92/x
  3. Step 3: Cross multiply
    288,141,215.67x = 432,223,780.32 × 83,669,290.92
  4. Step 4: Simplify right side
    288,141,215.67x = 36,163,857,218,136,248
  5. Step 5: Solve for x
    x = 36,163,857,218,136,248/288,141,215.67
  6. Step 6: Final answer
    x = 125,507,408.35

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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.