Home / 42,712,166.98-64,055,027.45-15,415,004.49

Finding the Fourth Proportional to 42,712,166.98, 64,055,027.45 and 15,415,004.49

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Solution

The fourth proportional to 42,712,166.98, 64,055,027.45 and 15,415,004.49 is: 23,117,734.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,712,166.98 : 64,055,027.45 = 15,415,004.49 : x
  2. Step 2: Convert to fraction form
    42,712,166.98/64,055,027.45 = 15,415,004.49/x
  3. Step 3: Cross multiply
    42,712,166.98x = 64,055,027.45 × 15,415,004.49
  4. Step 4: Simplify right side
    42,712,166.98x = 987,408,535,648,941.75
  5. Step 5: Solve for x
    x = 987,408,535,648,941.75/42,712,166.98
  6. Step 6: Final answer
    x = 23,117,734.49

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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.