Home / 191,655,651.58-287,368,577.69-87,894,896.40

Finding the Fourth Proportional to 191,655,651.58, 287,368,577.69 and 87,894,896.40

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Solution

The fourth proportional to 191,655,651.58, 287,368,577.69 and 87,894,896.40 is: 131,789,650.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,655,651.58 : 287,368,577.69 = 87,894,896.40 : x
  2. Step 2: Convert to fraction form
    191,655,651.58/287,368,577.69 = 87,894,896.40/x
  3. Step 3: Cross multiply
    191,655,651.58x = 287,368,577.69 × 87,894,896.40
  4. Step 4: Simplify right side
    191,655,651.58x = 25,258,231,364,238,428
  5. Step 5: Solve for x
    x = 25,258,231,364,238,428/191,655,651.58
  6. Step 6: Final answer
    x = 131,789,650.64

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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.