Home / 213,994,025.40-320,991,038.10-137,466,521.40

Finding the Fourth Proportional to 213,994,025.40, 320,991,038.10 and 137,466,521.40

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Solution

The fourth proportional to 213,994,025.40, 320,991,038.10 and 137,466,521.40 is: 206,199,782.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,994,025.40 : 320,991,038.10 = 137,466,521.40 : x
  2. Step 2: Convert to fraction form
    213,994,025.40/320,991,038.10 = 137,466,521.40/x
  3. Step 3: Cross multiply
    213,994,025.40x = 320,991,038.10 × 137,466,521.40
  4. Step 4: Simplify right side
    213,994,025.40x = 44,125,521,408,181,872
  5. Step 5: Solve for x
    x = 44,125,521,408,181,872/213,994,025.40
  6. Step 6: Final answer
    x = 206,199,782.10

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1.5x scale

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.