Home / 160,338,639.20-240,507,958.80-79,717,071.20

Finding the Fourth Proportional to 160,338,639.20, 240,507,958.80 and 79,717,071.20

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Solution

The fourth proportional to 160,338,639.20, 240,507,958.80 and 79,717,071.20 is: 119,575,606.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,338,639.20 : 240,507,958.80 = 79,717,071.20 : x
  2. Step 2: Convert to fraction form
    160,338,639.20/240,507,958.80 = 79,717,071.20/x
  3. Step 3: Cross multiply
    160,338,639.20x = 240,507,958.80 × 79,717,071.20
  4. Step 4: Simplify right side
    160,338,639.20x = 19,172,590,075,826,268
  5. Step 5: Solve for x
    x = 19,172,590,075,826,268/160,338,639.20
  6. Step 6: Final answer
    x = 119,575,606.80

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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.