Home / 286,729,894.46-430,097,330.77-92,641,330.40

Finding the Fourth Proportional to 286,729,894.46, 430,097,330.77 and 92,641,330.40

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Solution

The fourth proportional to 286,729,894.46, 430,097,330.77 and 92,641,330.40 is: 138,962,799.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,729,894.46 : 430,097,330.77 = 92,641,330.40 : x
  2. Step 2: Convert to fraction form
    286,729,894.46/430,097,330.77 = 92,641,330.40/x
  3. Step 3: Cross multiply
    286,729,894.46x = 430,097,330.77 × 92,641,330.40
  4. Step 4: Simplify right side
    286,729,894.46x = 39,844,788,922,160,208
  5. Step 5: Solve for x
    x = 39,844,788,922,160,208/286,729,894.46
  6. Step 6: Final answer
    x = 138,962,799.81

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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.