Home / 109,934,869.16-151,769,018.04-84,761,999.12

Finding the Fourth Proportional to 109,934,869.16, 151,769,018.04 and 84,761,999.12

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Solution

The fourth proportional to 109,934,869.16, 151,769,018.04 and 84,761,999.12 is: 117,016,970.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,934,869.16 : 151,769,018.04 = 84,761,999.12 : x
  2. Step 2: Convert to fraction form
    109,934,869.16/151,769,018.04 = 84,761,999.12/x
  3. Step 3: Cross multiply
    109,934,869.16x = 151,769,018.04 × 84,761,999.12
  4. Step 4: Simplify right side
    109,934,869.16x = 12,864,245,373,549,744
  5. Step 5: Solve for x
    x = 12,864,245,373,549,744/109,934,869.16
  6. Step 6: Final answer
    x = 117,016,970.79

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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.