Home / 137,880,298.13-190,269,086.03-75,155,015.76

Finding the Fourth Proportional to 137,880,298.13, 190,269,086.03 and 75,155,015.76

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Solution

The fourth proportional to 137,880,298.13, 190,269,086.03 and 75,155,015.76 is: 103,710,800.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,880,298.13 : 190,269,086.03 = 75,155,015.76 : x
  2. Step 2: Convert to fraction form
    137,880,298.13/190,269,086.03 = 75,155,015.76/x
  3. Step 3: Cross multiply
    137,880,298.13x = 190,269,086.03 × 75,155,015.76
  4. Step 4: Simplify right side
    137,880,298.13x = 14,299,676,157,898,324
  5. Step 5: Solve for x
    x = 14,299,676,157,898,324/137,880,298.13
  6. Step 6: Final answer
    x = 103,710,800.98

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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.