Home / 279,820,636.40-419,609,054.08-148,634,203.92

Finding the Fourth Proportional to 279,820,636.40, 419,609,054.08 and 148,634,203.92

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Solution

The fourth proportional to 279,820,636.40, 419,609,054.08 and 148,634,203.92 is: 222,886,555.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,820,636.40 : 419,609,054.08 = 148,634,203.92 : x
  2. Step 2: Convert to fraction form
    279,820,636.40/419,609,054.08 = 148,634,203.92/x
  3. Step 3: Cross multiply
    279,820,636.40x = 419,609,054.08 × 148,634,203.92
  4. Step 4: Simplify right side
    279,820,636.40x = 62,368,257,710,805,024
  5. Step 5: Solve for x
    x = 62,368,257,710,805,024/279,820,636.40
  6. Step 6: Final answer
    x = 222,886,555.16

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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.