Home / 76,540,019.04-105,637,343.13-45,618,124.59

Finding the Fourth Proportional to 76,540,019.04, 105,637,343.13 and 45,618,124.59

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Solution

The fourth proportional to 76,540,019.04, 105,637,343.13 and 45,618,124.59 is: 62,960,233.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,540,019.04 : 105,637,343.13 = 45,618,124.59 : x
  2. Step 2: Convert to fraction form
    76,540,019.04/105,637,343.13 = 45,618,124.59/x
  3. Step 3: Cross multiply
    76,540,019.04x = 105,637,343.13 × 45,618,124.59
  4. Step 4: Simplify right side
    76,540,019.04x = 4,818,977,480,260,921
  5. Step 5: Solve for x
    x = 4,818,977,480,260,921/76,540,019.04
  6. Step 6: Final answer
    x = 62,960,233.62

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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.