Home / 98,173,909.85-135,480,404.81-54,119,940.89

Finding the Fourth Proportional to 98,173,909.85, 135,480,404.81 and 54,119,940.89

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Solution

The fourth proportional to 98,173,909.85, 135,480,404.81 and 54,119,940.89 is: 74,685,744.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,173,909.85 : 135,480,404.81 = 54,119,940.89 : x
  2. Step 2: Convert to fraction form
    98,173,909.85/135,480,404.81 = 54,119,940.89/x
  3. Step 3: Cross multiply
    98,173,909.85x = 135,480,404.81 × 54,119,940.89
  4. Step 4: Simplify right side
    98,173,909.85x = 7,332,191,500,070,472
  5. Step 5: Solve for x
    x = 7,332,191,500,070,472/98,173,909.85
  6. Step 6: Final answer
    x = 74,685,744.02

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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.