Home / 103,245,071,701.20-154,867,607,551.80-61,300,346,758.80

Finding the Fourth Proportional to 103,245,071,701.20, 154,867,607,551.80 and 61,300,346,758.80

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Solution

The fourth proportional to 103,245,071,701.20, 154,867,607,551.80 and 61,300,346,758.80 is: 91,950,520,138.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,245,071,701.20 : 154,867,607,551.80 = 61,300,346,758.80 : x
  2. Step 2: Convert to fraction form
    103,245,071,701.20/154,867,607,551.80 = 61,300,346,758.80/x
  3. Step 3: Cross multiply
    103,245,071,701.20x = 154,867,607,551.80 × 61,300,346,758.80
  4. Step 4: Simplify right side
    103,245,071,701.20x = 9,493,438,044,631,092,690,944
  5. Step 5: Solve for x
    x = 9,493,438,044,631,092,690,944/103,245,071,701.20
  6. Step 6: Final answer
    x = 91,950,520,138.20

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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.