Home / 79,880,726.40-119,824,507.39-31,369,075.73

Finding the Fourth Proportional to 79,880,726.40, 119,824,507.39 and 31,369,075.73

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Solution

The fourth proportional to 79,880,726.40, 119,824,507.39 and 31,369,075.73 is: 47,054,955.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,880,726.40 : 119,824,507.39 = 31,369,075.73 : x
  2. Step 2: Convert to fraction form
    79,880,726.40/119,824,507.39 = 31,369,075.73/x
  3. Step 3: Cross multiply
    79,880,726.40x = 119,824,507.39 × 31,369,075.73
  4. Step 4: Simplify right side
    79,880,726.40x = 3,758,784,046,626,854.50
  5. Step 5: Solve for x
    x = 3,758,784,046,626,854.50/79,880,726.40
  6. Step 6: Final answer
    x = 47,054,955.76

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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.