Home / 118,887,266.40-178,330,899.60-106,416,117.60

Finding the Fourth Proportional to 118,887,266.40, 178,330,899.60 and 106,416,117.60

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Solution

The fourth proportional to 118,887,266.40, 178,330,899.60 and 106,416,117.60 is: 159,624,176.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,887,266.40 : 178,330,899.60 = 106,416,117.60 : x
  2. Step 2: Convert to fraction form
    118,887,266.40/178,330,899.60 = 106,416,117.60/x
  3. Step 3: Cross multiply
    118,887,266.40x = 178,330,899.60 × 106,416,117.60
  4. Step 4: Simplify right side
    118,887,266.40x = 18,977,281,983,547,392
  5. Step 5: Solve for x
    x = 18,977,281,983,547,392/118,887,266.40
  6. Step 6: Final answer
    x = 159,624,176.40

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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.