Home / 209,952,005.40-314,928,008.10-166,586,419.80

Finding the Fourth Proportional to 209,952,005.40, 314,928,008.10 and 166,586,419.80

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Solution

The fourth proportional to 209,952,005.40, 314,928,008.10 and 166,586,419.80 is: 249,879,629.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,005.40 : 314,928,008.10 = 166,586,419.80 : x
  2. Step 2: Convert to fraction form
    209,952,005.40/314,928,008.10 = 166,586,419.80/x
  3. Step 3: Cross multiply
    209,952,005.40x = 314,928,008.10 × 166,586,419.80
  4. Step 4: Simplify right side
    209,952,005.40x = 52,462,729,364,124,408
  5. Step 5: Solve for x
    x = 52,462,729,364,124,408/209,952,005.40
  6. Step 6: Final answer
    x = 249,879,629.70

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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.