Home / 140,083,572.77-210,252,869.58-74,559,720.72

Finding the Fourth Proportional to 140,083,572.77, 210,252,869.58 and 74,559,720.72

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Solution

The fourth proportional to 140,083,572.77, 210,252,869.58 and 74,559,720.72 is: 111,907,448.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,083,572.77 : 210,252,869.58 = 74,559,720.72 : x
  2. Step 2: Convert to fraction form
    140,083,572.77/210,252,869.58 = 74,559,720.72/x
  3. Step 3: Cross multiply
    140,083,572.77x = 210,252,869.58 × 74,559,720.72
  4. Step 4: Simplify right side
    140,083,572.77x = 15,676,395,236,463,384
  5. Step 5: Solve for x
    x = 15,676,395,236,463,384/140,083,572.77
  6. Step 6: Final answer
    x = 111,907,448.73

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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.