Home / 139,019,969.80-208,604,604.30-58,249,102.60

Finding the Fourth Proportional to 139,019,969.80, 208,604,604.30 and 58,249,102.60

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Solution

The fourth proportional to 139,019,969.80, 208,604,604.30 and 58,249,102.60 is: 87,404,931.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,019,969.80 : 208,604,604.30 = 58,249,102.60 : x
  2. Step 2: Convert to fraction form
    139,019,969.80/208,604,604.30 = 58,249,102.60/x
  3. Step 3: Cross multiply
    139,019,969.80x = 208,604,604.30 × 58,249,102.60
  4. Step 4: Simplify right side
    139,019,969.80x = 12,151,030,998,703,102
  5. Step 5: Solve for x
    x = 12,151,030,998,703,102/139,019,969.80
  6. Step 6: Final answer
    x = 87,404,931.94

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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.