Home / 70,845,854.56-106,302,374.16-42,148,682.08

Finding the Fourth Proportional to 70,845,854.56, 106,302,374.16 and 42,148,682.08

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Solution

The fourth proportional to 70,845,854.56, 106,302,374.16 and 42,148,682.08 is: 63,243,008.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,845,854.56 : 106,302,374.16 = 42,148,682.08 : x
  2. Step 2: Convert to fraction form
    70,845,854.56/106,302,374.16 = 42,148,682.08/x
  3. Step 3: Cross multiply
    70,845,854.56x = 106,302,374.16 × 42,148,682.08
  4. Step 4: Simplify right side
    70,845,854.56x = 4,480,504,972,819,046.50
  5. Step 5: Solve for x
    x = 4,480,504,972,819,046.50/70,845,854.56
  6. Step 6: Final answer
    x = 63,243,008.37

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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.