Home / 186,843,200.40-280,264,800.60-77,632,074.90

Finding the Fourth Proportional to 186,843,200.40, 280,264,800.60 and 77,632,074.90

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Solution

The fourth proportional to 186,843,200.40, 280,264,800.60 and 77,632,074.90 is: 116,448,112.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,843,200.40 : 280,264,800.60 = 77,632,074.90 : x
  2. Step 2: Convert to fraction form
    186,843,200.40/280,264,800.60 = 77,632,074.90/x
  3. Step 3: Cross multiply
    186,843,200.40x = 280,264,800.60 × 77,632,074.90
  4. Step 4: Simplify right side
    186,843,200.40x = 21,757,537,992,012,768
  5. Step 5: Solve for x
    x = 21,757,537,992,012,768/186,843,200.40
  6. Step 6: Final answer
    x = 116,448,112.35

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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.