Home / 72,868,860.46-100,558,881.57-41,506,897.53

Finding the Fourth Proportional to 72,868,860.46, 100,558,881.57 and 41,506,897.53

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Solution

The fourth proportional to 72,868,860.46, 100,558,881.57 and 41,506,897.53 is: 57,279,435.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,868,860.46 : 100,558,881.57 = 41,506,897.53 : x
  2. Step 2: Convert to fraction form
    72,868,860.46/100,558,881.57 = 41,506,897.53/x
  3. Step 3: Cross multiply
    72,868,860.46x = 100,558,881.57 × 41,506,897.53
  4. Step 4: Simplify right side
    72,868,860.46x = 4,173,887,193,590,142
  5. Step 5: Solve for x
    x = 4,173,887,193,590,142/72,868,860.46
  6. Step 6: Final answer
    x = 57,279,435.51

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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.