Home / 102,910,543.60-154,365,815.40-51,892,207.60

Finding the Fourth Proportional to 102,910,543.60, 154,365,815.40 and 51,892,207.60

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Solution

The fourth proportional to 102,910,543.60, 154,365,815.40 and 51,892,207.60 is: 77,838,311.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,910,543.60 : 154,365,815.40 = 51,892,207.60 : x
  2. Step 2: Convert to fraction form
    102,910,543.60/154,365,815.40 = 51,892,207.60/x
  3. Step 3: Cross multiply
    102,910,543.60x = 154,365,815.40 × 51,892,207.60
  4. Step 4: Simplify right side
    102,910,543.60x = 8,010,382,939,080,078
  5. Step 5: Solve for x
    x = 8,010,382,939,080,078/102,910,543.60
  6. Step 6: Final answer
    x = 77,838,311.40

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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.