Home / 61,880,542.08-85,390,148.88-35,776,742.16

Finding the Fourth Proportional to 61,880,542.08, 85,390,148.88 and 35,776,742.16

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Solution

The fourth proportional to 61,880,542.08, 85,390,148.88 and 35,776,742.16 is: 49,369,013.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,880,542.08 : 85,390,148.88 = 35,776,742.16 : x
  2. Step 2: Convert to fraction form
    61,880,542.08/85,390,148.88 = 35,776,742.16/x
  3. Step 3: Cross multiply
    61,880,542.08x = 85,390,148.88 × 35,776,742.16
  4. Step 4: Simplify right side
    61,880,542.08x = 3,054,981,339,483,772.50
  5. Step 5: Solve for x
    x = 3,054,981,339,483,772.50/61,880,542.08
  6. Step 6: Final answer
    x = 49,369,013.86

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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.