Home / 139,049,743.20-208,574,614.80-36,829,557.60

Finding the Fourth Proportional to 139,049,743.20, 208,574,614.80 and 36,829,557.60

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Solution

The fourth proportional to 139,049,743.20, 208,574,614.80 and 36,829,557.60 is: 55,244,336.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,049,743.20 : 208,574,614.80 = 36,829,557.60 : x
  2. Step 2: Convert to fraction form
    139,049,743.20/208,574,614.80 = 36,829,557.60/x
  3. Step 3: Cross multiply
    139,049,743.20x = 208,574,614.80 × 36,829,557.60
  4. Step 4: Simplify right side
    139,049,743.20x = 7,681,710,789,674,413
  5. Step 5: Solve for x
    x = 7,681,710,789,674,413/139,049,743.20
  6. Step 6: Final answer
    x = 55,244,336.40

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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.