Home / 99,657,215.70-149,485,823.55-90,091,277.70

Finding the Fourth Proportional to 99,657,215.70, 149,485,823.55 and 90,091,277.70

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Solution

The fourth proportional to 99,657,215.70, 149,485,823.55 and 90,091,277.70 is: 135,136,916.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,657,215.70 : 149,485,823.55 = 90,091,277.70 : x
  2. Step 2: Convert to fraction form
    99,657,215.70/149,485,823.55 = 90,091,277.70/x
  3. Step 3: Cross multiply
    99,657,215.70x = 149,485,823.55 × 90,091,277.70
  4. Step 4: Simplify right side
    99,657,215.70x = 13,467,368,841,656,252
  5. Step 5: Solve for x
    x = 13,467,368,841,656,252/99,657,215.70
  6. Step 6: Final answer
    x = 135,136,916.55

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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.