Home / 143,395,823.40-215,093,406.96-61,461,574.26

Finding the Fourth Proportional to 143,395,823.40, 215,093,406.96 and 61,461,574.26

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Solution

The fourth proportional to 143,395,823.40, 215,093,406.96 and 61,461,574.26 is: 92,192,220.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,395,823.40 : 215,093,406.96 = 61,461,574.26 : x
  2. Step 2: Convert to fraction form
    143,395,823.40/215,093,406.96 = 61,461,574.26/x
  3. Step 3: Cross multiply
    143,395,823.40x = 215,093,406.96 × 61,461,574.26
  4. Step 4: Simplify right side
    143,395,823.40x = 13,219,979,404,708,440
  5. Step 5: Solve for x
    x = 13,219,979,404,708,440/143,395,823.40
  6. Step 6: Final answer
    x = 92,192,220.74

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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.