Home / 191,892,083.60-287,820,279.40-53,730,195.76

Finding the Fourth Proportional to 191,892,083.60, 287,820,279.40 and 53,730,195.76

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Solution

The fourth proportional to 191,892,083.60, 287,820,279.40 and 53,730,195.76 is: 80,590,296.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,892,083.60 : 287,820,279.40 = 53,730,195.76 : x
  2. Step 2: Convert to fraction form
    191,892,083.60/287,820,279.40 = 53,730,195.76/x
  3. Step 3: Cross multiply
    191,892,083.60x = 287,820,279.40 × 53,730,195.76
  4. Step 4: Simplify right side
    191,892,083.60x = 15,464,639,955,859,894
  5. Step 5: Solve for x
    x = 15,464,639,955,859,894/191,892,083.60
  6. Step 6: Final answer
    x = 80,590,296.72

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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.