Home / 93,312,270.70-139,968,406.05-72,904,936.30

Finding the Fourth Proportional to 93,312,270.70, 139,968,406.05 and 72,904,936.30

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Solution

The fourth proportional to 93,312,270.70, 139,968,406.05 and 72,904,936.30 is: 109,357,404.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,270.70 : 139,968,406.05 = 72,904,936.30 : x
  2. Step 2: Convert to fraction form
    93,312,270.70/139,968,406.05 = 72,904,936.30/x
  3. Step 3: Cross multiply
    93,312,270.70x = 139,968,406.05 × 72,904,936.30
  4. Step 4: Simplify right side
    93,312,270.70x = 10,204,387,727,087,786
  5. Step 5: Solve for x
    x = 10,204,387,727,087,786/93,312,270.70
  6. Step 6: Final answer
    x = 109,357,404.45

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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.