Home / 159,673,203.60-239,509,805.40-87,113,792.40

Finding the Fourth Proportional to 159,673,203.60, 239,509,805.40 and 87,113,792.40

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Solution

The fourth proportional to 159,673,203.60, 239,509,805.40 and 87,113,792.40 is: 130,670,688.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,673,203.60 : 239,509,805.40 = 87,113,792.40 : x
  2. Step 2: Convert to fraction form
    159,673,203.60/239,509,805.40 = 87,113,792.40/x
  3. Step 3: Cross multiply
    159,673,203.60x = 239,509,805.40 × 87,113,792.40
  4. Step 4: Simplify right side
    159,673,203.60x = 20,864,607,465,380,000
  5. Step 5: Solve for x
    x = 20,864,607,465,380,000/159,673,203.60
  6. Step 6: Final answer
    x = 130,670,688.60

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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.