Home / 76,163,412.15-105,108,522.45-42,673,180.11

Finding the Fourth Proportional to 76,163,412.15, 105,108,522.45 and 42,673,180.11

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Solution

The fourth proportional to 76,163,412.15, 105,108,522.45 and 42,673,180.11 is: 58,890,677.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,163,412.15 : 105,108,522.45 = 42,673,180.11 : x
  2. Step 2: Convert to fraction form
    76,163,412.15/105,108,522.45 = 42,673,180.11/x
  3. Step 3: Cross multiply
    76,163,412.15x = 105,108,522.45 × 42,673,180.11
  4. Step 4: Simplify right side
    76,163,412.15x = 4,485,314,909,604,828.50
  5. Step 5: Solve for x
    x = 4,485,314,909,604,828.50/76,163,412.15
  6. Step 6: Final answer
    x = 58,890,677.07

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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.