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Finding the Fourth Proportional to 46,991,551.75, 70,501,760.80 and 22,430,819.10

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Solution

The fourth proportional to 46,991,551.75, 70,501,760.80 and 22,430,819.10 is: 33,653,118.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,991,551.75 : 70,501,760.80 = 22,430,819.10 : x
  2. Step 2: Convert to fraction form
    46,991,551.75/70,501,760.80 = 22,430,819.10/x
  3. Step 3: Cross multiply
    46,991,551.75x = 70,501,760.80 × 22,430,819.10
  4. Step 4: Simplify right side
    46,991,551.75x = 1,581,412,242,624,117.25
  5. Step 5: Solve for x
    x = 1,581,412,242,624,117.25/46,991,551.75
  6. Step 6: Final answer
    x = 33,653,118.14

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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.