Home / 42,841,138.40-64,263,774.32-14,086,637.36

Finding the Fourth Proportional to 42,841,138.40, 64,263,774.32 and 14,086,637.36

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Solution

The fourth proportional to 42,841,138.40, 64,263,774.32 and 14,086,637.36 is: 21,130,635.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,841,138.40 : 64,263,774.32 = 14,086,637.36 : x
  2. Step 2: Convert to fraction form
    42,841,138.40/64,263,774.32 = 14,086,637.36/x
  3. Step 3: Cross multiply
    42,841,138.40x = 64,263,774.32 × 14,086,637.36
  4. Step 4: Simplify right side
    42,841,138.40x = 905,260,483,838,968.50
  5. Step 5: Solve for x
    x = 905,260,483,838,968.50/42,841,138.40
  6. Step 6: Final answer
    x = 21,130,635.59

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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.