Home / 76,480,136.40-114,708,678.82-49,006,044.45

Finding the Fourth Proportional to 76,480,136.40, 114,708,678.82 and 49,006,044.45

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Solution

The fourth proportional to 76,480,136.40, 114,708,678.82 and 49,006,044.45 is: 73,501,681.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,480,136.40 : 114,708,678.82 = 49,006,044.45 : x
  2. Step 2: Convert to fraction form
    76,480,136.40/114,708,678.82 = 49,006,044.45/x
  3. Step 3: Cross multiply
    76,480,136.40x = 114,708,678.82 × 49,006,044.45
  4. Step 4: Simplify right side
    76,480,136.40x = 5,621,418,612,856,272
  5. Step 5: Solve for x
    x = 5,621,418,612,856,272/76,480,136.40
  6. Step 6: Final answer
    x = 73,501,681.32

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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.