Home / 99,567,220.40-149,173,883.40-85,411,444.40

Finding the Fourth Proportional to 99,567,220.40, 149,173,883.40 and 85,411,444.40

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Solution

The fourth proportional to 99,567,220.40, 149,173,883.40 and 85,411,444.40 is: 127,965,376.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,567,220.40 : 149,173,883.40 = 85,411,444.40 : x
  2. Step 2: Convert to fraction form
    99,567,220.40/149,173,883.40 = 85,411,444.40/x
  3. Step 3: Cross multiply
    99,567,220.40x = 149,173,883.40 × 85,411,444.40
  4. Step 4: Simplify right side
    99,567,220.40x = 12,741,156,847,951,184
  5. Step 5: Solve for x
    x = 12,741,156,847,951,184/99,567,220.40
  6. Step 6: Final answer
    x = 127,965,376.52

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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.