Home / 100,503,364.59-138,698,812.86-55,849,169.93

Finding the Fourth Proportional to 100,503,364.59, 138,698,812.86 and 55,849,169.93

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Solution

The fourth proportional to 100,503,364.59, 138,698,812.86 and 55,849,169.93 is: 77,074,171.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,503,364.59 : 138,698,812.86 = 55,849,169.93 : x
  2. Step 2: Convert to fraction form
    100,503,364.59/138,698,812.86 = 55,849,169.93/x
  3. Step 3: Cross multiply
    100,503,364.59x = 138,698,812.86 × 55,849,169.93
  4. Step 4: Simplify right side
    100,503,364.59x = 7,746,213,567,813,916
  5. Step 5: Solve for x
    x = 7,746,213,567,813,916/100,503,364.59
  6. Step 6: Final answer
    x = 77,074,171.59

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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.