Home / 71,280,624.58-98,367,302.28-38,685,576.58

Finding the Fourth Proportional to 71,280,624.58, 98,367,302.28 and 38,685,576.58

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Solution

The fourth proportional to 71,280,624.58, 98,367,302.28 and 38,685,576.58 is: 53,386,117.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,280,624.58 : 98,367,302.28 = 38,685,576.58 : x
  2. Step 2: Convert to fraction form
    71,280,624.58/98,367,302.28 = 38,685,576.58/x
  3. Step 3: Cross multiply
    71,280,624.58x = 98,367,302.28 × 38,685,576.58
  4. Step 4: Simplify right side
    71,280,624.58x = 3,805,395,805,320,948.50
  5. Step 5: Solve for x
    x = 3,805,395,805,320,948.50/71,280,624.58
  6. Step 6: Final answer
    x = 53,386,117.58

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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.