Home / 111,443,743.35-153,792,848.85-61,883,965.04

Finding the Fourth Proportional to 111,443,743.35, 153,792,848.85 and 61,883,965.04

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Solution

The fourth proportional to 111,443,743.35, 153,792,848.85 and 61,883,965.04 is: 85,400,139.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,443,743.35 : 153,792,848.85 = 61,883,965.04 : x
  2. Step 2: Convert to fraction form
    111,443,743.35/153,792,848.85 = 61,883,965.04/x
  3. Step 3: Cross multiply
    111,443,743.35x = 153,792,848.85 × 61,883,965.04
  4. Step 4: Simplify right side
    111,443,743.35x = 9,517,311,280,866,440
  5. Step 5: Solve for x
    x = 9,517,311,280,866,440/111,443,743.35
  6. Step 6: Final answer
    x = 85,400,139.97

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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.