Home / 81,427,693.80-122,159,255.40-26,830,988.40

Finding the Fourth Proportional to 81,427,693.80, 122,159,255.40 and 26,830,988.40

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Solution

The fourth proportional to 81,427,693.80, 122,159,255.40 and 26,830,988.40 is: 40,252,319.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,427,693.80 : 122,159,255.40 = 26,830,988.40 : x
  2. Step 2: Convert to fraction form
    81,427,693.80/122,159,255.40 = 26,830,988.40/x
  3. Step 3: Cross multiply
    81,427,693.80x = 122,159,255.40 × 26,830,988.40
  4. Step 4: Simplify right side
    81,427,693.80x = 3,277,653,564,590,037.50
  5. Step 5: Solve for x
    x = 3,277,653,564,590,037.50/81,427,693.80
  6. Step 6: Final answer
    x = 40,252,319.72

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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.