Home / 56,726,136.94-85,113,955.16-19,864,483.71

Finding the Fourth Proportional to 56,726,136.94, 85,113,955.16 and 19,864,483.71

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Solution

The fourth proportional to 56,726,136.94, 85,113,955.16 and 19,864,483.71 is: 29,805,392.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,726,136.94 : 85,113,955.16 = 19,864,483.71 : x
  2. Step 2: Convert to fraction form
    56,726,136.94/85,113,955.16 = 19,864,483.71/x
  3. Step 3: Cross multiply
    56,726,136.94x = 85,113,955.16 × 19,864,483.71
  4. Step 4: Simplify right side
    56,726,136.94x = 1,690,744,775,769,490.50
  5. Step 5: Solve for x
    x = 1,690,744,775,769,490.50/56,726,136.94
  6. Step 6: Final answer
    x = 29,805,392.49

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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.