Home / 209,955,019.20-314,932,528.80-195,606,112.20

Finding the Fourth Proportional to 209,955,019.20, 314,932,528.80 and 195,606,112.20

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Solution

The fourth proportional to 209,955,019.20, 314,932,528.80 and 195,606,112.20 is: 293,409,168.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,955,019.20 : 314,932,528.80 = 195,606,112.20 : x
  2. Step 2: Convert to fraction form
    209,955,019.20/314,932,528.80 = 195,606,112.20/x
  3. Step 3: Cross multiply
    209,955,019.20x = 314,932,528.80 × 195,606,112.20
  4. Step 4: Simplify right side
    209,955,019.20x = 61,602,727,563,882,528
  5. Step 5: Solve for x
    x = 61,602,727,563,882,528/209,955,019.20
  6. Step 6: Final answer
    x = 293,409,168.30

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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.