Home / 131,496,347.84-181,465,172.60-72,761,488.52

Finding the Fourth Proportional to 131,496,347.84, 181,465,172.60 and 72,761,488.52

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Solution

The fourth proportional to 131,496,347.84, 181,465,172.60 and 72,761,488.52 is: 100,410,971.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,496,347.84 : 181,465,172.60 = 72,761,488.52 : x
  2. Step 2: Convert to fraction form
    131,496,347.84/181,465,172.60 = 72,761,488.52/x
  3. Step 3: Cross multiply
    131,496,347.84x = 181,465,172.60 × 72,761,488.52
  4. Step 4: Simplify right side
    131,496,347.84x = 13,203,676,071,643,586
  5. Step 5: Solve for x
    x = 13,203,676,071,643,586/131,496,347.84
  6. Step 6: Final answer
    x = 100,410,971.78

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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.