Home / 93,312,109.20-139,968,163.80-78,195,565.20

Finding the Fourth Proportional to 93,312,109.20, 139,968,163.80 and 78,195,565.20

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Solution

The fourth proportional to 93,312,109.20, 139,968,163.80 and 78,195,565.20 is: 117,293,347.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,109.20 : 139,968,163.80 = 78,195,565.20 : x
  2. Step 2: Convert to fraction form
    93,312,109.20/139,968,163.80 = 78,195,565.20/x
  3. Step 3: Cross multiply
    93,312,109.20x = 139,968,163.80 × 78,195,565.20
  4. Step 4: Simplify right side
    93,312,109.20x = 10,944,889,678,347,182
  5. Step 5: Solve for x
    x = 10,944,889,678,347,182/93,312,109.20
  6. Step 6: Final answer
    x = 117,293,347.80

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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.