Home / 145,189,363.93-200,358,799.53-79,110,405.17

Finding the Fourth Proportional to 145,189,363.93, 200,358,799.53 and 79,110,405.17

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Solution

The fourth proportional to 145,189,363.93, 200,358,799.53 and 79,110,405.17 is: 109,170,984.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,189,363.93 : 200,358,799.53 = 79,110,405.17 : x
  2. Step 2: Convert to fraction form
    145,189,363.93/200,358,799.53 = 79,110,405.17/x
  3. Step 3: Cross multiply
    145,189,363.93x = 200,358,799.53 × 79,110,405.17
  4. Step 4: Simplify right side
    145,189,363.93x = 15,850,465,809,645,994
  5. Step 5: Solve for x
    x = 15,850,465,809,645,994/145,189,363.93
  6. Step 6: Final answer
    x = 109,170,984.57

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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.