Home / 79,754,871.52-119,632,266.16-25,172,928.32

Finding the Fourth Proportional to 79,754,871.52, 119,632,266.16 and 25,172,928.32

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Solution

The fourth proportional to 79,754,871.52, 119,632,266.16 and 25,172,928.32 is: 37,759,379.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,754,871.52 : 119,632,266.16 = 25,172,928.32 : x
  2. Step 2: Convert to fraction form
    79,754,871.52/119,632,266.16 = 25,172,928.32/x
  3. Step 3: Cross multiply
    79,754,871.52x = 119,632,266.16 × 25,172,928.32
  4. Step 4: Simplify right side
    79,754,871.52x = 3,011,494,460,804,841.50
  5. Step 5: Solve for x
    x = 3,011,494,460,804,841.50/79,754,871.52
  6. Step 6: Final answer
    x = 37,759,379.50

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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.