Home / 191,005,241.40-286,507,862.10-69,883,932.60

Finding the Fourth Proportional to 191,005,241.40, 286,507,862.10 and 69,883,932.60

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Solution

The fourth proportional to 191,005,241.40, 286,507,862.10 and 69,883,932.60 is: 104,825,898.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,005,241.40 : 286,507,862.10 = 69,883,932.60 : x
  2. Step 2: Convert to fraction form
    191,005,241.40/286,507,862.10 = 69,883,932.60/x
  3. Step 3: Cross multiply
    191,005,241.40x = 286,507,862.10 × 69,883,932.60
  4. Step 4: Simplify right side
    191,005,241.40x = 20,022,296,124,366,496
  5. Step 5: Solve for x
    x = 20,022,296,124,366,496/191,005,241.40
  6. Step 6: Final answer
    x = 104,825,898.90

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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.