Home / 248,161,803.60-372,242,705.40-66,408,981.60

Finding the Fourth Proportional to 248,161,803.60, 372,242,705.40 and 66,408,981.60

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Solution

The fourth proportional to 248,161,803.60, 372,242,705.40 and 66,408,981.60 is: 99,613,472.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,161,803.60 : 372,242,705.40 = 66,408,981.60 : x
  2. Step 2: Convert to fraction form
    248,161,803.60/372,242,705.40 = 66,408,981.60/x
  3. Step 3: Cross multiply
    248,161,803.60x = 372,242,705.40 × 66,408,981.60
  4. Step 4: Simplify right side
    248,161,803.60x = 24,720,258,973,642,820
  5. Step 5: Solve for x
    x = 24,720,258,973,642,820/248,161,803.60
  6. Step 6: Final answer
    x = 99,613,472.40

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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.