Home / 99,213,701.14-148,810,929.49-30,127,102.98

Finding the Fourth Proportional to 99,213,701.14, 148,810,929.49 and 30,127,102.98

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Solution

The fourth proportional to 99,213,701.14, 148,810,929.49 and 30,127,102.98 is: 45,187,732.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,213,701.14 : 148,810,929.49 = 30,127,102.98 : x
  2. Step 2: Convert to fraction form
    99,213,701.14/148,810,929.49 = 30,127,102.98/x
  3. Step 3: Cross multiply
    99,213,701.14x = 148,810,929.49 × 30,127,102.98
  4. Step 4: Simplify right side
    99,213,701.14x = 4,483,242,197,294,749
  5. Step 5: Solve for x
    x = 4,483,242,197,294,749/99,213,701.14
  6. Step 6: Final answer
    x = 45,187,732.60

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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.