Home / 139,816,140.28-193,028,946.36-124,303,303.42

Finding the Fourth Proportional to 139,816,140.28, 193,028,946.36 and 124,303,303.42

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Solution

The fourth proportional to 139,816,140.28, 193,028,946.36 and 124,303,303.42 is: 171,612,058.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,816,140.28 : 193,028,946.36 = 124,303,303.42 : x
  2. Step 2: Convert to fraction form
    139,816,140.28/193,028,946.36 = 124,303,303.42/x
  3. Step 3: Cross multiply
    139,816,140.28x = 193,028,946.36 × 124,303,303.42
  4. Step 4: Simplify right side
    139,816,140.28x = 23,994,135,688,229,988
  5. Step 5: Solve for x
    x = 23,994,135,688,229,988/139,816,140.28
  6. Step 6: Final answer
    x = 171,612,058.81

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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.