Home / 137,212,728.04-189,358,889.70-75,335,674.60

Finding the Fourth Proportional to 137,212,728.04, 189,358,889.70 and 75,335,674.60

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Solution

The fourth proportional to 137,212,728.04, 189,358,889.70 and 75,335,674.60 is: 103,966,154.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,212,728.04 : 189,358,889.70 = 75,335,674.60 : x
  2. Step 2: Convert to fraction form
    137,212,728.04/189,358,889.70 = 75,335,674.60/x
  3. Step 3: Cross multiply
    137,212,728.04x = 189,358,889.70 × 75,335,674.60
  4. Step 4: Simplify right side
    137,212,728.04x = 14,265,479,697,056,490
  5. Step 5: Solve for x
    x = 14,265,479,697,056,490/137,212,728.04
  6. Step 6: Final answer
    x = 103,966,154.60

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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.