Home / 104,976,572.05-157,464,858.08-66,807,298.45

Finding the Fourth Proportional to 104,976,572.05, 157,464,858.08 and 66,807,298.45

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Solution

The fourth proportional to 104,976,572.05, 157,464,858.08 and 66,807,298.45 is: 100,210,947.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,572.05 : 157,464,858.08 = 66,807,298.45 : x
  2. Step 2: Convert to fraction form
    104,976,572.05/157,464,858.08 = 66,807,298.45/x
  3. Step 3: Cross multiply
    104,976,572.05x = 157,464,858.08 × 66,807,298.45
  4. Step 4: Simplify right side
    104,976,572.05x = 10,519,801,768,803,418
  5. Step 5: Solve for x
    x = 10,519,801,768,803,418/104,976,572.05
  6. Step 6: Final answer
    x = 100,210,947.68

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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.