Home / 70,890,532.83-97,827,581.12-39,950,081.55

Finding the Fourth Proportional to 70,890,532.83, 97,827,581.12 and 39,950,081.55

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Solution

The fourth proportional to 70,890,532.83, 97,827,581.12 and 39,950,081.55 is: 55,130,349.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,890,532.83 : 97,827,581.12 = 39,950,081.55 : x
  2. Step 2: Convert to fraction form
    70,890,532.83/97,827,581.12 = 39,950,081.55/x
  3. Step 3: Cross multiply
    70,890,532.83x = 97,827,581.12 × 39,950,081.55
  4. Step 4: Simplify right side
    70,890,532.83x = 3,908,219,843,383,489.50
  5. Step 5: Solve for x
    x = 3,908,219,843,383,489.50/70,890,532.83
  6. Step 6: Final answer
    x = 55,130,349.39

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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.