Home / 188,243,340.10-282,365,010.15-86,206,668.10

Finding the Fourth Proportional to 188,243,340.10, 282,365,010.15 and 86,206,668.10

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Solution

The fourth proportional to 188,243,340.10, 282,365,010.15 and 86,206,668.10 is: 129,310,002.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,243,340.10 : 282,365,010.15 = 86,206,668.10 : x
  2. Step 2: Convert to fraction form
    188,243,340.10/282,365,010.15 = 86,206,668.10/x
  3. Step 3: Cross multiply
    188,243,340.10x = 282,365,010.15 × 86,206,668.10
  4. Step 4: Simplify right side
    188,243,340.10x = 24,341,746,713,054,176
  5. Step 5: Solve for x
    x = 24,341,746,713,054,176/188,243,340.10
  6. Step 6: Final answer
    x = 129,310,002.15

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1.5x scale

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.