Home / 89,178,136.60-133,607,772.60-76,423,552.60

Finding the Fourth Proportional to 89,178,136.60, 133,607,772.60 and 76,423,552.60

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Solution

The fourth proportional to 89,178,136.60, 133,607,772.60 and 76,423,552.60 is: 114,498,699.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,178,136.60 : 133,607,772.60 = 76,423,552.60 : x
  2. Step 2: Convert to fraction form
    89,178,136.60/133,607,772.60 = 76,423,552.60/x
  3. Step 3: Cross multiply
    89,178,136.60x = 133,607,772.60 × 76,423,552.60
  4. Step 4: Simplify right side
    89,178,136.60x = 10,210,780,637,064,938
  5. Step 5: Solve for x
    x = 10,210,780,637,064,938/89,178,136.60
  6. Step 6: Final answer
    x = 114,498,699.19

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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.