Home / 76,681,177.34-105,827,682.32-45,741,346.63

Finding the Fourth Proportional to 76,681,177.34, 105,827,682.32 and 45,741,346.63

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Solution

The fourth proportional to 76,681,177.34, 105,827,682.32 and 45,741,346.63 is: 63,127,626.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,681,177.34 : 105,827,682.32 = 45,741,346.63 : x
  2. Step 2: Convert to fraction form
    76,681,177.34/105,827,682.32 = 45,741,346.63/x
  3. Step 3: Cross multiply
    76,681,177.34x = 105,827,682.32 × 45,741,346.63
  4. Step 4: Simplify right side
    76,681,177.34x = 4,840,700,699,898,427
  5. Step 5: Solve for x
    x = 4,840,700,699,898,427/76,681,177.34
  6. Step 6: Final answer
    x = 63,127,626.20

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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.