Home / 72,255,840.13-99,713,155.64-39,216,089.27

Finding the Fourth Proportional to 72,255,840.13, 99,713,155.64 and 39,216,089.27

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Solution

The fourth proportional to 72,255,840.13, 99,713,155.64 and 39,216,089.27 is: 54,118,255.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,255,840.13 : 99,713,155.64 = 39,216,089.27 : x
  2. Step 2: Convert to fraction form
    72,255,840.13/99,713,155.64 = 39,216,089.27/x
  3. Step 3: Cross multiply
    72,255,840.13x = 99,713,155.64 × 39,216,089.27
  4. Step 4: Simplify right side
    72,255,840.13x = 3,910,360,012,574,157.50
  5. Step 5: Solve for x
    x = 3,910,360,012,574,157.50/72,255,840.13
  6. Step 6: Final answer
    x = 54,118,255.43

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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.