Home / 92,772,032.60-139,158,048.90-84,694,129.40

Finding the Fourth Proportional to 92,772,032.60, 139,158,048.90 and 84,694,129.40

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Solution

The fourth proportional to 92,772,032.60, 139,158,048.90 and 84,694,129.40 is: 127,041,194.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,772,032.60 : 139,158,048.90 = 84,694,129.40 : x
  2. Step 2: Convert to fraction form
    92,772,032.60/139,158,048.90 = 84,694,129.40/x
  3. Step 3: Cross multiply
    92,772,032.60x = 139,158,048.90 × 84,694,129.40
  4. Step 4: Simplify right side
    92,772,032.60x = 11,785,869,800,588,128
  5. Step 5: Solve for x
    x = 11,785,869,800,588,128/92,772,032.60
  6. Step 6: Final answer
    x = 127,041,194.10

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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.