Home / 66,753,256.98-99,950,487.66-42,360,115.08

Finding the Fourth Proportional to 66,753,256.98, 99,950,487.66 and 42,360,115.08

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Solution

The fourth proportional to 66,753,256.98, 99,950,487.66 and 42,360,115.08 is: 63,426,330.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,753,256.98 : 99,950,487.66 = 42,360,115.08 : x
  2. Step 2: Convert to fraction form
    66,753,256.98/99,950,487.66 = 42,360,115.08/x
  3. Step 3: Cross multiply
    66,753,256.98x = 99,950,487.66 × 42,360,115.08
  4. Step 4: Simplify right side
    66,753,256.98x = 4,233,914,159,579,719.50
  5. Step 5: Solve for x
    x = 4,233,914,159,579,719.50/66,753,256.98
  6. Step 6: Final answer
    x = 63,426,330.81

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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.