Home / 189,022,973.60-283,109,307.60-112,495,469.60

Finding the Fourth Proportional to 189,022,973.60, 283,109,307.60 and 112,495,469.60

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Solution

The fourth proportional to 189,022,973.60, 283,109,307.60 and 112,495,469.60 is: 168,490,178.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,022,973.60 : 283,109,307.60 = 112,495,469.60 : x
  2. Step 2: Convert to fraction form
    189,022,973.60/283,109,307.60 = 112,495,469.60/x
  3. Step 3: Cross multiply
    189,022,973.60x = 283,109,307.60 × 112,495,469.60
  4. Step 4: Simplify right side
    189,022,973.60x = 31,848,514,506,592,848
  5. Step 5: Solve for x
    x = 31,848,514,506,592,848/189,022,973.60
  6. Step 6: Final answer
    x = 168,490,178.20

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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.