Home / 139,047,513.40-208,570,233.30-42,003,033.40

Finding the Fourth Proportional to 139,047,513.40, 208,570,233.30 and 42,003,033.40

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Solution

The fourth proportional to 139,047,513.40, 208,570,233.30 and 42,003,033.40 is: 63,004,236.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,047,513.40 : 208,570,233.30 = 42,003,033.40 : x
  2. Step 2: Convert to fraction form
    139,047,513.40/208,570,233.30 = 42,003,033.40/x
  3. Step 3: Cross multiply
    139,047,513.40x = 208,570,233.30 × 42,003,033.40
  4. Step 4: Simplify right side
    139,047,513.40x = 8,760,582,475,545,692
  5. Step 5: Solve for x
    x = 8,760,582,475,545,692/139,047,513.40
  6. Step 6: Final answer
    x = 63,004,236.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.