Home / 191,727,145.20-287,590,717.80-110,097,807.60

Finding the Fourth Proportional to 191,727,145.20, 287,590,717.80 and 110,097,807.60

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Solution

The fourth proportional to 191,727,145.20, 287,590,717.80 and 110,097,807.60 is: 165,146,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,727,145.20 : 287,590,717.80 = 110,097,807.60 : x
  2. Step 2: Convert to fraction form
    191,727,145.20/287,590,717.80 = 110,097,807.60/x
  3. Step 3: Cross multiply
    191,727,145.20x = 287,590,717.80 × 110,097,807.60
  4. Step 4: Simplify right side
    191,727,145.20x = 31,663,107,515,890,296
  5. Step 5: Solve for x
    x = 31,663,107,515,890,296/191,727,145.20
  6. Step 6: Final answer
    x = 165,146,711.40

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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.