Home / 93,172,010.42-139,742,856.14-43,987,768.62

Finding the Fourth Proportional to 93,172,010.42, 139,742,856.14 and 43,987,768.62

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Solution

The fourth proportional to 93,172,010.42, 139,742,856.14 and 43,987,768.62 is: 65,974,495.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,172,010.42 : 139,742,856.14 = 43,987,768.62 : x
  2. Step 2: Convert to fraction form
    93,172,010.42/139,742,856.14 = 43,987,768.62/x
  3. Step 3: Cross multiply
    93,172,010.42x = 139,742,856.14 × 43,987,768.62
  4. Step 4: Simplify right side
    93,172,010.42x = 6,146,976,421,964,327
  5. Step 5: Solve for x
    x = 6,146,976,421,964,327/93,172,010.42
  6. Step 6: Final answer
    x = 65,974,495.93

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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.