Home / 76,225,867.84-105,191,484.96-41,418,679.20

Finding the Fourth Proportional to 76,225,867.84, 105,191,484.96 and 41,418,679.20

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Solution

The fourth proportional to 76,225,867.84, 105,191,484.96 and 41,418,679.20 is: 57,157,661.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,225,867.84 : 105,191,484.96 = 41,418,679.20 : x
  2. Step 2: Convert to fraction form
    76,225,867.84/105,191,484.96 = 41,418,679.20/x
  3. Step 3: Cross multiply
    76,225,867.84x = 105,191,484.96 × 41,418,679.20
  4. Step 4: Simplify right side
    76,225,867.84x = 4,356,892,370,129,865
  5. Step 5: Solve for x
    x = 4,356,892,370,129,865/76,225,867.84
  6. Step 6: Final answer
    x = 57,157,661.74

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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.