Home / 121,277,482.40-181,916,223.60-48,458,255.60

Finding the Fourth Proportional to 121,277,482.40, 181,916,223.60 and 48,458,255.60

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Solution

The fourth proportional to 121,277,482.40, 181,916,223.60 and 48,458,255.60 is: 72,687,383.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,277,482.40 : 181,916,223.60 = 48,458,255.60 : x
  2. Step 2: Convert to fraction form
    121,277,482.40/181,916,223.60 = 48,458,255.60/x
  3. Step 3: Cross multiply
    121,277,482.40x = 181,916,223.60 × 48,458,255.60
  4. Step 4: Simplify right side
    121,277,482.40x = 8,815,342,860,995,552
  5. Step 5: Solve for x
    x = 8,815,342,860,995,552/121,277,482.40
  6. Step 6: Final answer
    x = 72,687,383.40

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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.