Home / 72,417,297.72-99,894,967.86-43,058,098.44

Finding the Fourth Proportional to 72,417,297.72, 99,894,967.86 and 43,058,098.44

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Solution

The fourth proportional to 72,417,297.72, 99,894,967.86 and 43,058,098.44 is: 59,395,855.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,417,297.72 : 99,894,967.86 = 43,058,098.44 : x
  2. Step 2: Convert to fraction form
    72,417,297.72/99,894,967.86 = 43,058,098.44/x
  3. Step 3: Cross multiply
    72,417,297.72x = 99,894,967.86 × 43,058,098.44
  4. Step 4: Simplify right side
    72,417,297.72x = 4,301,287,359,776,516
  5. Step 5: Solve for x
    x = 4,301,287,359,776,516/72,417,297.72
  6. Step 6: Final answer
    x = 59,395,855.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.