Home / 170,291,720.40-255,437,580.60-74,740,232.40

Finding the Fourth Proportional to 170,291,720.40, 255,437,580.60 and 74,740,232.40

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Solution

The fourth proportional to 170,291,720.40, 255,437,580.60 and 74,740,232.40 is: 112,110,348.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,291,720.40 : 255,437,580.60 = 74,740,232.40 : x
  2. Step 2: Convert to fraction form
    170,291,720.40/255,437,580.60 = 74,740,232.40/x
  3. Step 3: Cross multiply
    170,291,720.40x = 255,437,580.60 × 74,740,232.40
  4. Step 4: Simplify right side
    170,291,720.40x = 19,091,464,137,737,732
  5. Step 5: Solve for x
    x = 19,091,464,137,737,732/170,291,720.40
  6. Step 6: Final answer
    x = 112,110,348.60

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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.