Home / 159,495,567.80-239,243,351.70-78,873,999.80

Finding the Fourth Proportional to 159,495,567.80, 239,243,351.70 and 78,873,999.80

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Solution

The fourth proportional to 159,495,567.80, 239,243,351.70 and 78,873,999.80 is: 118,310,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,495,567.80 : 239,243,351.70 = 78,873,999.80 : x
  2. Step 2: Convert to fraction form
    159,495,567.80/239,243,351.70 = 78,873,999.80/x
  3. Step 3: Cross multiply
    159,495,567.80x = 239,243,351.70 × 78,873,999.80
  4. Step 4: Simplify right side
    159,495,567.80x = 18,870,080,074,137,128
  5. Step 5: Solve for x
    x = 18,870,080,074,137,128/159,495,567.80
  6. Step 6: Final answer
    x = 118,310,999.70

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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.