Home / 93,312,234.70-139,968,352.05-47,878,621.90

Finding the Fourth Proportional to 93,312,234.70, 139,968,352.05 and 47,878,621.90

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Solution

The fourth proportional to 93,312,234.70, 139,968,352.05 and 47,878,621.90 is: 71,817,932.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,234.70 : 139,968,352.05 = 47,878,621.90 : x
  2. Step 2: Convert to fraction form
    93,312,234.70/139,968,352.05 = 47,878,621.90/x
  3. Step 3: Cross multiply
    93,312,234.70x = 139,968,352.05 × 47,878,621.90
  4. Step 4: Simplify right side
    93,312,234.70x = 6,701,491,805,768,040
  5. Step 5: Solve for x
    x = 6,701,491,805,768,040/93,312,234.70
  6. Step 6: Final answer
    x = 71,817,932.85

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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.