Home / 198,410,289.82-297,705,779.73-101,316,019.12

Finding the Fourth Proportional to 198,410,289.82, 297,705,779.73 and 101,316,019.12

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Solution

The fourth proportional to 198,410,289.82, 297,705,779.73 and 101,316,019.12 is: 152,020,162.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,410,289.82 : 297,705,779.73 = 101,316,019.12 : x
  2. Step 2: Convert to fraction form
    198,410,289.82/297,705,779.73 = 101,316,019.12/x
  3. Step 3: Cross multiply
    198,410,289.82x = 297,705,779.73 × 101,316,019.12
  4. Step 4: Simplify right side
    198,410,289.82x = 30,162,364,470,514,928
  5. Step 5: Solve for x
    x = 30,162,364,470,514,928/198,410,289.82
  6. Step 6: Final answer
    x = 152,020,162.35

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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.