Home / 39,976,878-59,989,199.40-36,724,429.68

Finding the Fourth Proportional to 39,976,878, 59,989,199.40 and 36,724,429.68

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Solution

The fourth proportional to 39,976,878, 59,989,199.40 and 36,724,429.68 is: 55,108,583.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,976,878 : 59,989,199.40 = 36,724,429.68 : x
  2. Step 2: Convert to fraction form
    39,976,878/59,989,199.40 = 36,724,429.68/x
  3. Step 3: Cross multiply
    39,976,878x = 59,989,199.40 × 36,724,429.68
  4. Step 4: Simplify right side
    39,976,878x = 2,203,069,134,924,798
  5. Step 5: Solve for x
    x = 2,203,069,134,924,798/39,976,878
  6. Step 6: Final answer
    x = 55,108,583.89

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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.