Home / 93,312,110.20-139,968,165.30-78,195,566.20

Finding the Fourth Proportional to 93,312,110.20, 139,968,165.30 and 78,195,566.20

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Solution

The fourth proportional to 93,312,110.20, 139,968,165.30 and 78,195,566.20 is: 117,293,349.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,110.20 : 139,968,165.30 = 78,195,566.20 : x
  2. Step 2: Convert to fraction form
    93,312,110.20/139,968,165.30 = 78,195,566.20/x
  3. Step 3: Cross multiply
    93,312,110.20x = 139,968,165.30 × 78,195,566.20
  4. Step 4: Simplify right side
    93,312,110.20x = 10,944,889,935,608,694
  5. Step 5: Solve for x
    x = 10,944,889,935,608,694/93,312,110.20
  6. Step 6: Final answer
    x = 117,293,349.30

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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.