Home / 70,777,973.36-106,172,985.59-21,604,871.60

Finding the Fourth Proportional to 70,777,973.36, 106,172,985.59 and 21,604,871.60

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Solution

The fourth proportional to 70,777,973.36, 106,172,985.59 and 21,604,871.60 is: 32,409,146.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,777,973.36 : 106,172,985.59 = 21,604,871.60 : x
  2. Step 2: Convert to fraction form
    70,777,973.36/106,172,985.59 = 21,604,871.60/x
  3. Step 3: Cross multiply
    70,777,973.36x = 106,172,985.59 × 21,604,871.60
  4. Step 4: Simplify right side
    70,777,973.36x = 2,293,853,721,060,600.50
  5. Step 5: Solve for x
    x = 2,293,853,721,060,600.50/70,777,973.36
  6. Step 6: Final answer
    x = 32,409,146.69

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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.