Home / 70,928,914.32-106,158,946.86-64,555,165.26

Finding the Fourth Proportional to 70,928,914.32, 106,158,946.86 and 64,555,165.26

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Solution

The fourth proportional to 70,928,914.32, 106,158,946.86 and 64,555,165.26 is: 96,619,388.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,928,914.32 : 106,158,946.86 = 64,555,165.26 : x
  2. Step 2: Convert to fraction form
    70,928,914.32/106,158,946.86 = 64,555,165.26/x
  3. Step 3: Cross multiply
    70,928,914.32x = 106,158,946.86 × 64,555,165.26
  4. Step 4: Simplify right side
    70,928,914.32x = 6,853,108,358,374,858
  5. Step 5: Solve for x
    x = 6,853,108,358,374,858/70,928,914.32
  6. Step 6: Final answer
    x = 96,619,388.92

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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.