Home / 73,119,889.64-100,846,611.12-64,280,440.90

Finding the Fourth Proportional to 73,119,889.64, 100,846,611.12 and 64,280,440.90

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Solution

The fourth proportional to 73,119,889.64, 100,846,611.12 and 64,280,440.90 is: 88,655,284.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,119,889.64 : 100,846,611.12 = 64,280,440.90 : x
  2. Step 2: Convert to fraction form
    73,119,889.64/100,846,611.12 = 64,280,440.90/x
  3. Step 3: Cross multiply
    73,119,889.64x = 100,846,611.12 × 64,280,440.90
  4. Step 4: Simplify right side
    73,119,889.64x = 6,482,464,626,064,443
  5. Step 5: Solve for x
    x = 6,482,464,626,064,443/73,119,889.64
  6. Step 6: Final answer
    x = 88,655,284.60

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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.