Home / 137,880,297.13-190,269,084.65-75,155,014.76

Finding the Fourth Proportional to 137,880,297.13, 190,269,084.65 and 75,155,014.76

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Solution

The fourth proportional to 137,880,297.13, 190,269,084.65 and 75,155,014.76 is: 103,710,799.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,880,297.13 : 190,269,084.65 = 75,155,014.76 : x
  2. Step 2: Convert to fraction form
    137,880,297.13/190,269,084.65 = 75,155,014.76/x
  3. Step 3: Cross multiply
    137,880,297.13x = 190,269,084.65 × 75,155,014.76
  4. Step 4: Simplify right side
    137,880,297.13x = 14,299,675,863,915,318
  5. Step 5: Solve for x
    x = 14,299,675,863,915,318/137,880,297.13
  6. Step 6: Final answer
    x = 103,710,799.59

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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.