Home / 209,952,362.90-314,928,544.35-194,646,862.10

Finding the Fourth Proportional to 209,952,362.90, 314,928,544.35 and 194,646,862.10

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Solution

The fourth proportional to 209,952,362.90, 314,928,544.35 and 194,646,862.10 is: 291,970,293.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,362.90 : 314,928,544.35 = 194,646,862.10 : x
  2. Step 2: Convert to fraction form
    209,952,362.90/314,928,544.35 = 194,646,862.10/x
  3. Step 3: Cross multiply
    209,952,362.90x = 314,928,544.35 × 194,646,862.10
  4. Step 4: Simplify right side
    209,952,362.90x = 61,299,852,943,448,184
  5. Step 5: Solve for x
    x = 61,299,852,943,448,184/209,952,362.90
  6. Step 6: Final answer
    x = 291,970,293.15

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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.