Home / 139,060,810.40-208,590,178.80-42,016,330.40

Finding the Fourth Proportional to 139,060,810.40, 208,590,178.80 and 42,016,330.40

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Solution

The fourth proportional to 139,060,810.40, 208,590,178.80 and 42,016,330.40 is: 63,024,182.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,060,810.40 : 208,590,178.80 = 42,016,330.40 : x
  2. Step 2: Convert to fraction form
    139,060,810.40/208,590,178.80 = 42,016,330.40/x
  3. Step 3: Cross multiply
    139,060,810.40x = 208,590,178.80 × 42,016,330.40
  4. Step 4: Simplify right side
    139,060,810.40x = 8,764,193,870,655,876
  5. Step 5: Solve for x
    x = 8,764,193,870,655,876/139,060,810.40
  6. Step 6: Final answer
    x = 63,024,182.34

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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.