Home / 240,776,438.40-361,164,657.60-87,427,497.60

Finding the Fourth Proportional to 240,776,438.40, 361,164,657.60 and 87,427,497.60

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Solution

The fourth proportional to 240,776,438.40, 361,164,657.60 and 87,427,497.60 is: 131,141,246.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,776,438.40 : 361,164,657.60 = 87,427,497.60 : x
  2. Step 2: Convert to fraction form
    240,776,438.40/361,164,657.60 = 87,427,497.60/x
  3. Step 3: Cross multiply
    240,776,438.40x = 361,164,657.60 × 87,427,497.60
  4. Step 4: Simplify right side
    240,776,438.40x = 31,575,722,235,528,820
  5. Step 5: Solve for x
    x = 31,575,722,235,528,820/240,776,438.40
  6. Step 6: Final answer
    x = 131,141,246.40

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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.