Home / 72,708,569.79-109,054,771.15-26,020,171.38

Finding the Fourth Proportional to 72,708,569.79, 109,054,771.15 and 26,020,171.38

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Solution

The fourth proportional to 72,708,569.79, 109,054,771.15 and 26,020,171.38 is: 39,027,364.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,708,569.79 : 109,054,771.15 = 26,020,171.38 : x
  2. Step 2: Convert to fraction form
    72,708,569.79/109,054,771.15 = 26,020,171.38/x
  3. Step 3: Cross multiply
    72,708,569.79x = 109,054,771.15 × 26,020,171.38
  4. Step 4: Simplify right side
    72,708,569.79x = 2,837,623,835,272,215.50
  5. Step 5: Solve for x
    x = 2,837,623,835,272,215.50/72,708,569.79
  6. Step 6: Final answer
    x = 39,027,364.22

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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.