Home / 185,328,279.14-278,065,639.47-70,343,342.42

Finding the Fourth Proportional to 185,328,279.14, 278,065,639.47 and 70,343,342.42

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Solution

The fourth proportional to 185,328,279.14, 278,065,639.47 and 70,343,342.42 is: 105,542,805.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,328,279.14 : 278,065,639.47 = 70,343,342.42 : x
  2. Step 2: Convert to fraction form
    185,328,279.14/278,065,639.47 = 70,343,342.42/x
  3. Step 3: Cross multiply
    185,328,279.14x = 278,065,639.47 × 70,343,342.42
  4. Step 4: Simplify right side
    185,328,279.14x = 19,560,066,492,474,480
  5. Step 5: Solve for x
    x = 19,560,066,492,474,480/185,328,279.14
  6. Step 6: Final answer
    x = 105,542,805.36

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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.