Home / 66,035,876.40-99,053,814.60-43,077,625.20

Finding the Fourth Proportional to 66,035,876.40, 99,053,814.60 and 43,077,625.20

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Solution

The fourth proportional to 66,035,876.40, 99,053,814.60 and 43,077,625.20 is: 64,616,437.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,035,876.40 : 99,053,814.60 = 43,077,625.20 : x
  2. Step 2: Convert to fraction form
    66,035,876.40/99,053,814.60 = 43,077,625.20/x
  3. Step 3: Cross multiply
    66,035,876.40x = 99,053,814.60 × 43,077,625.20
  4. Step 4: Simplify right side
    66,035,876.40x = 4,267,003,099,969,088
  5. Step 5: Solve for x
    x = 4,267,003,099,969,088/66,035,876.40
  6. Step 6: Final answer
    x = 64,616,437.80

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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.