Home / 72,322,166.79-99,746,842.14-47,567,766.51

Finding the Fourth Proportional to 72,322,166.79, 99,746,842.14 and 47,567,766.51

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Solution

The fourth proportional to 72,322,166.79, 99,746,842.14 and 47,567,766.51 is: 65,605,535.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,322,166.79 : 99,746,842.14 = 47,567,766.51 : x
  2. Step 2: Convert to fraction form
    72,322,166.79/99,746,842.14 = 47,567,766.51/x
  3. Step 3: Cross multiply
    72,322,166.79x = 99,746,842.14 × 47,567,766.51
  4. Step 4: Simplify right side
    72,322,166.79x = 4,744,734,497,025,349
  5. Step 5: Solve for x
    x = 4,744,734,497,025,349/72,322,166.79
  6. Step 6: Final answer
    x = 65,605,535.72

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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.