Home / 100,406,870.40-150,631,300.80-32,256,451.20

Finding the Fourth Proportional to 100,406,870.40, 150,631,300.80 and 32,256,451.20

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Solution

The fourth proportional to 100,406,870.40, 150,631,300.80 and 32,256,451.20 is: 48,391,421.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,406,870.40 : 150,631,300.80 = 32,256,451.20 : x
  2. Step 2: Convert to fraction form
    100,406,870.40/150,631,300.80 = 32,256,451.20/x
  3. Step 3: Cross multiply
    100,406,870.40x = 150,631,300.80 × 32,256,451.20
  4. Step 4: Simplify right side
    100,406,870.40x = 4,858,831,203,447,721
  5. Step 5: Solve for x
    x = 4,858,831,203,447,721/100,406,870.40
  6. Step 6: Final answer
    x = 48,391,421.66

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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.