Home / 100,228,426.53-138,334,618.83-65,360,582.52

Finding the Fourth Proportional to 100,228,426.53, 138,334,618.83 and 65,360,582.52

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Solution

The fourth proportional to 100,228,426.53, 138,334,618.83 and 65,360,582.52 is: 90,210,248.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,228,426.53 : 138,334,618.83 = 65,360,582.52 : x
  2. Step 2: Convert to fraction form
    100,228,426.53/138,334,618.83 = 65,360,582.52/x
  3. Step 3: Cross multiply
    100,228,426.53x = 138,334,618.83 × 65,360,582.52
  4. Step 4: Simplify right side
    100,228,426.53x = 9,041,631,269,410,962
  5. Step 5: Solve for x
    x = 9,041,631,269,410,962/100,228,426.53
  6. Step 6: Final answer
    x = 90,210,248.55

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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.