Home / 92,772,048.60-139,158,072.90-84,694,145.40

Finding the Fourth Proportional to 92,772,048.60, 139,158,072.90 and 84,694,145.40

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Solution

The fourth proportional to 92,772,048.60, 139,158,072.90 and 84,694,145.40 is: 127,041,218.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,772,048.60 : 139,158,072.90 = 84,694,145.40 : x
  2. Step 2: Convert to fraction form
    92,772,048.60/139,158,072.90 = 84,694,145.40/x
  3. Step 3: Cross multiply
    92,772,048.60x = 139,158,072.90 × 84,694,145.40
  4. Step 4: Simplify right side
    92,772,048.60x = 11,785,874,059,776,400
  5. Step 5: Solve for x
    x = 11,785,874,059,776,400/92,772,048.60
  6. Step 6: Final answer
    x = 127,041,218.10

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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.