Home / 99,795,279.40-149,692,919.10-45,234,003.40

Finding the Fourth Proportional to 99,795,279.40, 149,692,919.10 and 45,234,003.40

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Solution

The fourth proportional to 99,795,279.40, 149,692,919.10 and 45,234,003.40 is: 67,851,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,795,279.40 : 149,692,919.10 = 45,234,003.40 : x
  2. Step 2: Convert to fraction form
    99,795,279.40/149,692,919.10 = 45,234,003.40/x
  3. Step 3: Cross multiply
    99,795,279.40x = 149,692,919.10 × 45,234,003.40
  4. Step 4: Simplify right side
    99,795,279.40x = 6,771,210,011,525,324
  5. Step 5: Solve for x
    x = 6,771,210,011,525,324/99,795,279.40
  6. Step 6: Final answer
    x = 67,851,005.10

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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.