Home / 66,508,910.40-99,763,365.60-64,518,254.40

Finding the Fourth Proportional to 66,508,910.40, 99,763,365.60 and 64,518,254.40

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Solution

The fourth proportional to 66,508,910.40, 99,763,365.60 and 64,518,254.40 is: 96,777,381.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,508,910.40 : 99,763,365.60 = 64,518,254.40 : x
  2. Step 2: Convert to fraction form
    66,508,910.40/99,763,365.60 = 64,518,254.40/x
  3. Step 3: Cross multiply
    66,508,910.40x = 99,763,365.60 × 64,518,254.40
  4. Step 4: Simplify right side
    66,508,910.40x = 6,436,558,201,581,008
  5. Step 5: Solve for x
    x = 6,436,558,201,581,008/66,508,910.40
  6. Step 6: Final answer
    x = 96,777,381.60

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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.