Home / 191,353,107.20-286,796,474.60-99,186,032.70

Finding the Fourth Proportional to 191,353,107.20, 286,796,474.60 and 99,186,032.70

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Solution

The fourth proportional to 191,353,107.20, 286,796,474.60 and 99,186,032.70 is: 148,658,179.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,353,107.20 : 286,796,474.60 = 99,186,032.70 : x
  2. Step 2: Convert to fraction form
    191,353,107.20/286,796,474.60 = 99,186,032.70/x
  3. Step 3: Cross multiply
    191,353,107.20x = 286,796,474.60 × 99,186,032.70
  4. Step 4: Simplify right side
    191,353,107.20x = 28,446,204,507,920,324
  5. Step 5: Solve for x
    x = 28,446,204,507,920,324/191,353,107.20
  6. Step 6: Final answer
    x = 148,658,179.24

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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.