Home / 72,809,440.14-100,476,363.51-39,769,683.98

Finding the Fourth Proportional to 72,809,440.14, 100,476,363.51 and 39,769,683.98

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Solution

The fourth proportional to 72,809,440.14, 100,476,363.51 and 39,769,683.98 is: 54,881,801.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,809,440.14 : 100,476,363.51 = 39,769,683.98 : x
  2. Step 2: Convert to fraction form
    72,809,440.14/100,476,363.51 = 39,769,683.98/x
  3. Step 3: Cross multiply
    72,809,440.14x = 100,476,363.51 × 39,769,683.98
  4. Step 4: Simplify right side
    72,809,440.14x = 3,995,913,224,252,303.50
  5. Step 5: Solve for x
    x = 3,995,913,224,252,303.50/72,809,440.14
  6. Step 6: Final answer
    x = 54,881,801.27

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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.