Home / 98,916,208.09-136,520,707.30-54,877,394.67

Finding the Fourth Proportional to 98,916,208.09, 136,520,707.30 and 54,877,394.67

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Solution

The fourth proportional to 98,916,208.09, 136,520,707.30 and 54,877,394.67 is: 75,739,869.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,916,208.09 : 136,520,707.30 = 54,877,394.67 : x
  2. Step 2: Convert to fraction form
    98,916,208.09/136,520,707.30 = 54,877,394.67/x
  3. Step 3: Cross multiply
    98,916,208.09x = 136,520,707.30 × 54,877,394.67
  4. Step 4: Simplify right side
    98,916,208.09x = 7,491,900,734,480,504
  5. Step 5: Solve for x
    x = 7,491,900,734,480,504/98,916,208.09
  6. Step 6: Final answer
    x = 75,739,869.93

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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.