Home / 165,565,116.80-248,347,675.20-79,259,098.40

Finding the Fourth Proportional to 165,565,116.80, 248,347,675.20 and 79,259,098.40

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Solution

The fourth proportional to 165,565,116.80, 248,347,675.20 and 79,259,098.40 is: 118,888,647.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,565,116.80 : 248,347,675.20 = 79,259,098.40 : x
  2. Step 2: Convert to fraction form
    165,565,116.80/248,347,675.20 = 79,259,098.40/x
  3. Step 3: Cross multiply
    165,565,116.80x = 248,347,675.20 × 79,259,098.40
  4. Step 4: Simplify right side
    165,565,116.80x = 19,683,812,826,088,040
  5. Step 5: Solve for x
    x = 19,683,812,826,088,040/165,565,116.80
  6. Step 6: Final answer
    x = 118,888,647.60

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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.