Home / 140,065,086.60-210,129,122.70-43,025,272.20

Finding the Fourth Proportional to 140,065,086.60, 210,129,122.70 and 43,025,272.20

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Solution

The fourth proportional to 140,065,086.60, 210,129,122.70 and 43,025,272.20 is: 64,547,582.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,065,086.60 : 210,129,122.70 = 43,025,272.20 : x
  2. Step 2: Convert to fraction form
    140,065,086.60/210,129,122.70 = 43,025,272.20/x
  3. Step 3: Cross multiply
    140,065,086.60x = 210,129,122.70 × 43,025,272.20
  4. Step 4: Simplify right side
    140,065,086.60x = 9,040,862,701,314,700
  5. Step 5: Solve for x
    x = 9,040,862,701,314,700/140,065,086.60
  6. Step 6: Final answer
    x = 64,547,582.28

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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.