Home / 112,661,423.37-155,548,682.07-70,339,482.74

Finding the Fourth Proportional to 112,661,423.37, 155,548,682.07 and 70,339,482.74

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Solution

The fourth proportional to 112,661,423.37, 155,548,682.07 and 70,339,482.74 is: 97,115,885.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,661,423.37 : 155,548,682.07 = 70,339,482.74 : x
  2. Step 2: Convert to fraction form
    112,661,423.37/155,548,682.07 = 70,339,482.74/x
  3. Step 3: Cross multiply
    112,661,423.37x = 155,548,682.07 × 70,339,482.74
  4. Step 4: Simplify right side
    112,661,423.37x = 10,941,213,837,692,512
  5. Step 5: Solve for x
    x = 10,941,213,837,692,512/112,661,423.37
  6. Step 6: Final answer
    x = 97,115,885.02

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1.5x scale

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.