Home / 99,003,352,939.92-136,624,641,795.72-53,893,422,205.20

Finding the Fourth Proportional to 99,003,352,939.92, 136,624,641,795.72 and 53,893,422,205.20

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Solution

The fourth proportional to 99,003,352,939.92, 136,624,641,795.72 and 53,893,422,205.20 is: 74,372,930,666.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,003,352,939.92 : 136,624,641,795.72 = 53,893,422,205.20 : x
  2. Step 2: Convert to fraction form
    99,003,352,939.92/136,624,641,795.72 = 53,893,422,205.20/x
  3. Step 3: Cross multiply
    99,003,352,939.92x = 136,624,641,795.72 × 53,893,422,205.20
  4. Step 4: Simplify right side
    99,003,352,939.92x = 7,363,169,503,930,951,401,472
  5. Step 5: Solve for x
    x = 7,363,169,503,930,951,401,472/99,003,352,939.92
  6. Step 6: Final answer
    x = 74,372,930,666.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.