Home / 308,408,900.69-425,600,314.80-176,248,381.34

Finding the Fourth Proportional to 308,408,900.69, 425,600,314.80 and 176,248,381.34

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Solution

The fourth proportional to 308,408,900.69, 425,600,314.80 and 176,248,381.34 is: 243,220,498.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,408,900.69 : 425,600,314.80 = 176,248,381.34 : x
  2. Step 2: Convert to fraction form
    308,408,900.69/425,600,314.80 = 176,248,381.34/x
  3. Step 3: Cross multiply
    308,408,900.69x = 425,600,314.80 × 176,248,381.34
  4. Step 4: Simplify right side
    308,408,900.69x = 75,011,366,581,294,448
  5. Step 5: Solve for x
    x = 75,011,366,581,294,448/308,408,900.69
  6. Step 6: Final answer
    x = 243,220,498.54

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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.