Home / 191,892,081.60-287,820,276.40-53,730,193.76

Finding the Fourth Proportional to 191,892,081.60, 287,820,276.40 and 53,730,193.76

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Solution

The fourth proportional to 191,892,081.60, 287,820,276.40 and 53,730,193.76 is: 80,590,293.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,892,081.60 : 287,820,276.40 = 53,730,193.76 : x
  2. Step 2: Convert to fraction form
    191,892,081.60/287,820,276.40 = 53,730,193.76/x
  3. Step 3: Cross multiply
    191,892,081.60x = 287,820,276.40 × 53,730,193.76
  4. Step 4: Simplify right side
    191,892,081.60x = 15,464,639,219,028,754
  5. Step 5: Solve for x
    x = 15,464,639,219,028,754/191,892,081.60
  6. Step 6: Final answer
    x = 80,590,293.72

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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.