Home / 113,946,475.23-157,197,984.78-76,281,773.46

Finding the Fourth Proportional to 113,946,475.23, 157,197,984.78 and 76,281,773.46

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Solution

The fourth proportional to 113,946,475.23, 157,197,984.78 and 76,281,773.46 is: 105,236,612.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,946,475.23 : 157,197,984.78 = 76,281,773.46 : x
  2. Step 2: Convert to fraction form
    113,946,475.23/157,197,984.78 = 76,281,773.46/x
  3. Step 3: Cross multiply
    113,946,475.23x = 157,197,984.78 × 76,281,773.46
  4. Step 4: Simplify right side
    113,946,475.23x = 11,991,341,062,975,078
  5. Step 5: Solve for x
    x = 11,991,341,062,975,078/113,946,475.23
  6. Step 6: Final answer
    x = 105,236,612.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.