Home / 129,055,075.20-178,093,752.71-70,318,225.71

Finding the Fourth Proportional to 129,055,075.20, 178,093,752.71 and 70,318,225.71

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Solution

The fourth proportional to 129,055,075.20, 178,093,752.71 and 70,318,225.71 is: 97,037,924.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,055,075.20 : 178,093,752.71 = 70,318,225.71 : x
  2. Step 2: Convert to fraction form
    129,055,075.20/178,093,752.71 = 70,318,225.71/x
  3. Step 3: Cross multiply
    129,055,075.20x = 178,093,752.71 × 70,318,225.71
  4. Step 4: Simplify right side
    129,055,075.20x = 12,523,236,700,251,112
  5. Step 5: Solve for x
    x = 12,523,236,700,251,112/129,055,075.20
  6. Step 6: Final answer
    x = 97,037,924.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.