Home / 160,302,374.28-221,193,676.08-89,734,316.76

Finding the Fourth Proportional to 160,302,374.28, 221,193,676.08 and 89,734,316.76

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Solution

The fourth proportional to 160,302,374.28, 221,193,676.08 and 89,734,316.76 is: 123,820,146.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,302,374.28 : 221,193,676.08 = 89,734,316.76 : x
  2. Step 2: Convert to fraction form
    160,302,374.28/221,193,676.08 = 89,734,316.76/x
  3. Step 3: Cross multiply
    160,302,374.28x = 221,193,676.08 × 89,734,316.76
  4. Step 4: Simplify right side
    160,302,374.28x = 19,848,663,394,671,556
  5. Step 5: Solve for x
    x = 19,848,663,394,671,556/160,302,374.28
  6. Step 6: Final answer
    x = 123,820,146.04

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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.