Home / 286,021,249.94-429,035,860.71-81,549,325.19

Finding the Fourth Proportional to 286,021,249.94, 429,035,860.71 and 81,549,325.19

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Solution

The fourth proportional to 286,021,249.94, 429,035,860.71 and 81,549,325.19 is: 122,325,124.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,021,249.94 : 429,035,860.71 = 81,549,325.19 : x
  2. Step 2: Convert to fraction form
    286,021,249.94/429,035,860.71 = 81,549,325.19/x
  3. Step 3: Cross multiply
    286,021,249.94x = 429,035,860.71 × 81,549,325.19
  4. Step 4: Simplify right side
    286,021,249.94x = 34,987,584,923,211,332
  5. Step 5: Solve for x
    x = 34,987,584,923,211,332/286,021,249.94
  6. Step 6: Final answer
    x = 122,325,124.20

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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.