Home / 117,422,429.20-176,133,643.80-49,314,000.40

Finding the Fourth Proportional to 117,422,429.20, 176,133,643.80 and 49,314,000.40

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Solution

The fourth proportional to 117,422,429.20, 176,133,643.80 and 49,314,000.40 is: 73,971,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,422,429.20 : 176,133,643.80 = 49,314,000.40 : x
  2. Step 2: Convert to fraction form
    117,422,429.20/176,133,643.80 = 49,314,000.40/x
  3. Step 3: Cross multiply
    117,422,429.20x = 176,133,643.80 × 49,314,000.40
  4. Step 4: Simplify right side
    117,422,429.20x = 8,685,854,580,806,658
  5. Step 5: Solve for x
    x = 8,685,854,580,806,658/117,422,429.20
  6. Step 6: Final answer
    x = 73,971,000.60

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1.5x scale

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.