Home / 121,334,025.60-182,001,038.40-87,321,801.60

Finding the Fourth Proportional to 121,334,025.60, 182,001,038.40 and 87,321,801.60

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Solution

The fourth proportional to 121,334,025.60, 182,001,038.40 and 87,321,801.60 is: 130,982,702.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,334,025.60 : 182,001,038.40 = 87,321,801.60 : x
  2. Step 2: Convert to fraction form
    121,334,025.60/182,001,038.40 = 87,321,801.60/x
  3. Step 3: Cross multiply
    121,334,025.60x = 182,001,038.40 × 87,321,801.60
  4. Step 4: Simplify right side
    121,334,025.60x = 15,892,658,566,158,780
  5. Step 5: Solve for x
    x = 15,892,658,566,158,780/121,334,025.60
  6. Step 6: Final answer
    x = 130,982,702.40

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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.