Home / 93,312,269.70-139,968,404.55-72,904,935.30

Finding the Fourth Proportional to 93,312,269.70, 139,968,404.55 and 72,904,935.30

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Solution

The fourth proportional to 93,312,269.70, 139,968,404.55 and 72,904,935.30 is: 109,357,402.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,269.70 : 139,968,404.55 = 72,904,935.30 : x
  2. Step 2: Convert to fraction form
    93,312,269.70/139,968,404.55 = 72,904,935.30/x
  3. Step 3: Cross multiply
    93,312,269.70x = 139,968,404.55 × 72,904,935.30
  4. Step 4: Simplify right side
    93,312,269.70x = 10,204,387,477,761,976
  5. Step 5: Solve for x
    x = 10,204,387,477,761,976/93,312,269.70
  6. Step 6: Final answer
    x = 109,357,402.95

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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.