Home / 99,870,123-149,805,184.50-28,066,539

Finding the Fourth Proportional to 99,870,123, 149,805,184.50 and 28,066,539

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Solution

The fourth proportional to 99,870,123, 149,805,184.50 and 28,066,539 is: 42,099,808.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,870,123 : 149,805,184.50 = 28,066,539 : x
  2. Step 2: Convert to fraction form
    99,870,123/149,805,184.50 = 28,066,539/x
  3. Step 3: Cross multiply
    99,870,123x = 149,805,184.50 × 28,066,539
  4. Step 4: Simplify right side
    99,870,123x = 4,204,513,053,171,445.50
  5. Step 5: Solve for x
    x = 4,204,513,053,171,445.50/99,870,123
  6. Step 6: Final answer
    x = 42,099,808.50

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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.