Home / 121,453,629.40-182,180,444.10-109,738,307.80

Finding the Fourth Proportional to 121,453,629.40, 182,180,444.10 and 109,738,307.80

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Solution

The fourth proportional to 121,453,629.40, 182,180,444.10 and 109,738,307.80 is: 164,607,461.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,453,629.40 : 182,180,444.10 = 109,738,307.80 : x
  2. Step 2: Convert to fraction form
    121,453,629.40/182,180,444.10 = 109,738,307.80/x
  3. Step 3: Cross multiply
    121,453,629.40x = 182,180,444.10 × 109,738,307.80
  4. Step 4: Simplify right side
    121,453,629.40x = 19,992,173,649,786,492
  5. Step 5: Solve for x
    x = 19,992,173,649,786,492/121,453,629.40
  6. Step 6: Final answer
    x = 164,607,461.70

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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.