Home / 286,291,263.40-429,562,866.30-132,858,341.80

Finding the Fourth Proportional to 286,291,263.40, 429,562,866.30 and 132,858,341.80

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Solution

The fourth proportional to 286,291,263.40, 429,562,866.30 and 132,858,341.80 is: 199,345,971.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,291,263.40 : 429,562,866.30 = 132,858,341.80 : x
  2. Step 2: Convert to fraction form
    286,291,263.40/429,562,866.30 = 132,858,341.80/x
  3. Step 3: Cross multiply
    286,291,263.40x = 429,562,866.30 × 132,858,341.80
  4. Step 4: Simplify right side
    286,291,263.40x = 57,071,010,115,473,104
  5. Step 5: Solve for x
    x = 57,071,010,115,473,104/286,291,263.40
  6. Step 6: Final answer
    x = 199,345,971.78

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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.