Home / 99,213,667.52-148,810,878.66-30,127,068.88

Finding the Fourth Proportional to 99,213,667.52, 148,810,878.66 and 30,127,068.88

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Solution

The fourth proportional to 99,213,667.52, 148,810,878.66 and 30,127,068.88 is: 45,187,681.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,213,667.52 : 148,810,878.66 = 30,127,068.88 : x
  2. Step 2: Convert to fraction form
    99,213,667.52/148,810,878.66 = 30,127,068.88/x
  3. Step 3: Cross multiply
    99,213,667.52x = 148,810,878.66 × 30,127,068.88
  4. Step 4: Simplify right side
    99,213,667.52x = 4,483,235,591,483,142
  5. Step 5: Solve for x
    x = 4,483,235,591,483,142/99,213,667.52
  6. Step 6: Final answer
    x = 45,187,681.33

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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.