Home / 145,733,273.01-218,567,664.23-42,079,978.91

Finding the Fourth Proportional to 145,733,273.01, 218,567,664.23 and 42,079,978.91

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Solution

The fourth proportional to 145,733,273.01, 218,567,664.23 and 42,079,978.91 is: 63,110,657.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,733,273.01 : 218,567,664.23 = 42,079,978.91 : x
  2. Step 2: Convert to fraction form
    145,733,273.01/218,567,664.23 = 42,079,978.91/x
  3. Step 3: Cross multiply
    145,733,273.01x = 218,567,664.23 × 42,079,978.91
  4. Step 4: Simplify right side
    145,733,273.01x = 9,197,322,701,542,380
  5. Step 5: Solve for x
    x = 9,197,322,701,542,380/145,733,273.01
  6. Step 6: Final answer
    x = 63,110,657.65

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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.