Home / 158,285,595.87-218,433,956.64-88,671,466.78

Finding the Fourth Proportional to 158,285,595.87, 218,433,956.64 and 88,671,466.78

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Solution

The fourth proportional to 158,285,595.87, 218,433,956.64 and 88,671,466.78 is: 122,366,531.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,285,595.87 : 218,433,956.64 = 88,671,466.78 : x
  2. Step 2: Convert to fraction form
    158,285,595.87/218,433,956.64 = 88,671,466.78/x
  3. Step 3: Cross multiply
    158,285,595.87x = 218,433,956.64 × 88,671,466.78
  4. Step 4: Simplify right side
    158,285,595.87x = 19,368,859,329,384,364
  5. Step 5: Solve for x
    x = 19,368,859,329,384,364/158,285,595.87
  6. Step 6: Final answer
    x = 122,366,531.35

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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.