Home / 124,133,083.20-186,219,307.80-42,259,676.40

Finding the Fourth Proportional to 124,133,083.20, 186,219,307.80 and 42,259,676.40

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Solution

The fourth proportional to 124,133,083.20, 186,219,307.80 and 42,259,676.40 is: 63,396,215.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,133,083.20 : 186,219,307.80 = 42,259,676.40 : x
  2. Step 2: Convert to fraction form
    124,133,083.20/186,219,307.80 = 42,259,676.40/x
  3. Step 3: Cross multiply
    124,133,083.20x = 186,219,307.80 × 42,259,676.40
  4. Step 4: Simplify right side
    124,133,083.20x = 7,869,567,687,059,996
  5. Step 5: Solve for x
    x = 7,869,567,687,059,996/124,133,083.20
  6. Step 6: Final answer
    x = 63,396,215.45

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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.