Home / 64,578,449.11-89,118,956.78-35,209,543.45

Finding the Fourth Proportional to 64,578,449.11, 89,118,956.78 and 35,209,543.45

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Solution

The fourth proportional to 64,578,449.11, 89,118,956.78 and 35,209,543.45 is: 48,589,549.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,578,449.11 : 89,118,956.78 = 35,209,543.45 : x
  2. Step 2: Convert to fraction form
    64,578,449.11/89,118,956.78 = 35,209,543.45/x
  3. Step 3: Cross multiply
    64,578,449.11x = 89,118,956.78 × 35,209,543.45
  4. Step 4: Simplify right side
    64,578,449.11x = 3,137,837,780,964,082.50
  5. Step 5: Solve for x
    x = 3,137,837,780,964,082.50/64,578,449.11
  6. Step 6: Final answer
    x = 48,589,549.98

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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.