Home / 208,116,089.53-312,188,498.30-60,564,869.66

Finding the Fourth Proportional to 208,116,089.53, 312,188,498.30 and 60,564,869.66

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Solution

The fourth proportional to 208,116,089.53, 312,188,498.30 and 60,564,869.66 is: 90,851,484.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,116,089.53 : 312,188,498.30 = 60,564,869.66 : x
  2. Step 2: Convert to fraction form
    208,116,089.53/312,188,498.30 = 60,564,869.66/x
  3. Step 3: Cross multiply
    208,116,089.53x = 312,188,498.30 × 60,564,869.66
  4. Step 4: Simplify right side
    208,116,089.53x = 18,907,655,709,822,516
  5. Step 5: Solve for x
    x = 18,907,655,709,822,516/208,116,089.53
  6. Step 6: Final answer
    x = 90,851,484.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.