Home / 159,913,999.68-220,661,041.68-93,810,379.20

Finding the Fourth Proportional to 159,913,999.68, 220,661,041.68 and 93,810,379.20

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Solution

The fourth proportional to 159,913,999.68, 220,661,041.68 and 93,810,379.20 is: 129,446,427.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,913,999.68 : 220,661,041.68 = 93,810,379.20 : x
  2. Step 2: Convert to fraction form
    159,913,999.68/220,661,041.68 = 93,810,379.20/x
  3. Step 3: Cross multiply
    159,913,999.68x = 220,661,041.68 × 93,810,379.20
  4. Step 4: Simplify right side
    159,913,999.68x = 20,700,295,994,667,808
  5. Step 5: Solve for x
    x = 20,700,295,994,667,808/159,913,999.68
  6. Step 6: Final answer
    x = 129,446,427.68

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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.