Home / 159,620,488.18-220,257,555.69-90,001,720.42

Finding the Fourth Proportional to 159,620,488.18, 220,257,555.69 and 90,001,720.42

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Solution

The fourth proportional to 159,620,488.18, 220,257,555.69 and 90,001,720.42 is: 124,191,820.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,620,488.18 : 220,257,555.69 = 90,001,720.42 : x
  2. Step 2: Convert to fraction form
    159,620,488.18/220,257,555.69 = 90,001,720.42/x
  3. Step 3: Cross multiply
    159,620,488.18x = 220,257,555.69 × 90,001,720.42
  4. Step 4: Simplify right side
    159,620,488.18x = 19,823,558,947,603,960
  5. Step 5: Solve for x
    x = 19,823,558,947,603,960/159,620,488.18
  6. Step 6: Final answer
    x = 124,191,820.07

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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.