Home / 93,312,876.80-139,969,315.20-28,626,665.60

Finding the Fourth Proportional to 93,312,876.80, 139,969,315.20 and 28,626,665.60

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Solution

The fourth proportional to 93,312,876.80, 139,969,315.20 and 28,626,665.60 is: 42,939,998.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,876.80 : 139,969,315.20 = 28,626,665.60 : x
  2. Step 2: Convert to fraction form
    93,312,876.80/139,969,315.20 = 28,626,665.60/x
  3. Step 3: Cross multiply
    93,312,876.80x = 139,969,315.20 × 28,626,665.60
  4. Step 4: Simplify right side
    93,312,876.80x = 4,006,854,780,491,397
  5. Step 5: Solve for x
    x = 4,006,854,780,491,397/93,312,876.80
  6. Step 6: Final answer
    x = 42,939,998.40

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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.