Home / 143,395,848.90-215,093,445.30-61,461,599.76

Finding the Fourth Proportional to 143,395,848.90, 215,093,445.30 and 61,461,599.76

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Solution

The fourth proportional to 143,395,848.90, 215,093,445.30 and 61,461,599.76 is: 92,192,259.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,395,848.90 : 215,093,445.30 = 61,461,599.76 : x
  2. Step 2: Convert to fraction form
    143,395,848.90/215,093,445.30 = 61,461,599.76/x
  3. Step 3: Cross multiply
    143,395,848.90x = 215,093,445.30 × 61,461,599.76
  4. Step 4: Simplify right side
    143,395,848.90x = 13,219,987,246,028,054
  5. Step 5: Solve for x
    x = 13,219,987,246,028,054/143,395,848.90
  6. Step 6: Final answer
    x = 92,192,259.03

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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.