Home / 66,508,401.40-99,762,602.10-43,665,623.80

Finding the Fourth Proportional to 66,508,401.40, 99,762,602.10 and 43,665,623.80

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Solution

The fourth proportional to 66,508,401.40, 99,762,602.10 and 43,665,623.80 is: 65,498,435.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,508,401.40 : 99,762,602.10 = 43,665,623.80 : x
  2. Step 2: Convert to fraction form
    66,508,401.40/99,762,602.10 = 43,665,623.80/x
  3. Step 3: Cross multiply
    66,508,401.40x = 99,762,602.10 × 43,665,623.80
  4. Step 4: Simplify right side
    66,508,401.40x = 4,356,196,252,607,689.50
  5. Step 5: Solve for x
    x = 4,356,196,252,607,689.50/66,508,401.40
  6. Step 6: Final answer
    x = 65,498,435.70

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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.