Home / 157,464,155.60-236,196,233.40-128,766,341.60

Finding the Fourth Proportional to 157,464,155.60, 236,196,233.40 and 128,766,341.60

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Solution

The fourth proportional to 157,464,155.60, 236,196,233.40 and 128,766,341.60 is: 193,149,512.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,155.60 : 236,196,233.40 = 128,766,341.60 : x
  2. Step 2: Convert to fraction form
    157,464,155.60/236,196,233.40 = 128,766,341.60/x
  3. Step 3: Cross multiply
    157,464,155.60x = 236,196,233.40 × 128,766,341.60
  4. Step 4: Simplify right side
    157,464,155.60x = 30,414,124,874,617,728
  5. Step 5: Solve for x
    x = 30,414,124,874,617,728/157,464,155.60
  6. Step 6: Final answer
    x = 193,149,512.40

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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.