Home / 75,912,683.04-104,759,645.10-42,422,162.34

Finding the Fourth Proportional to 75,912,683.04, 104,759,645.10 and 42,422,162.34

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Solution

The fourth proportional to 75,912,683.04, 104,759,645.10 and 42,422,162.34 is: 58,542,663.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,912,683.04 : 104,759,645.10 = 42,422,162.34 : x
  2. Step 2: Convert to fraction form
    75,912,683.04/104,759,645.10 = 42,422,162.34/x
  3. Step 3: Cross multiply
    75,912,683.04x = 104,759,645.10 × 42,422,162.34
  4. Step 4: Simplify right side
    75,912,683.04x = 4,444,130,671,112,985.50
  5. Step 5: Solve for x
    x = 4,444,130,671,112,985.50/75,912,683.04
  6. Step 6: Final answer
    x = 58,542,663.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.