Home / 93,037,807.80-139,556,711.70-42,019,471.80

Finding the Fourth Proportional to 93,037,807.80, 139,556,711.70 and 42,019,471.80

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Solution

The fourth proportional to 93,037,807.80, 139,556,711.70 and 42,019,471.80 is: 63,029,207.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,037,807.80 : 139,556,711.70 = 42,019,471.80 : x
  2. Step 2: Convert to fraction form
    93,037,807.80/139,556,711.70 = 42,019,471.80/x
  3. Step 3: Cross multiply
    93,037,807.80x = 139,556,711.70 × 42,019,471.80
  4. Step 4: Simplify right side
    93,037,807.80x = 5,864,099,311,778,879
  5. Step 5: Solve for x
    x = 5,864,099,311,778,879/93,037,807.80
  6. Step 6: Final answer
    x = 63,029,207.70

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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.