Home / 139,148,197.04-208,714,619.16-57,246,348.32

Finding the Fourth Proportional to 139,148,197.04, 208,714,619.16 and 57,246,348.32

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Solution

The fourth proportional to 139,148,197.04, 208,714,619.16 and 57,246,348.32 is: 85,866,364.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,148,197.04 : 208,714,619.16 = 57,246,348.32 : x
  2. Step 2: Convert to fraction form
    139,148,197.04/208,714,619.16 = 57,246,348.32/x
  3. Step 3: Cross multiply
    139,148,197.04x = 208,714,619.16 × 57,246,348.32
  4. Step 4: Simplify right side
    139,148,197.04x = 11,948,149,787,909,506
  5. Step 5: Solve for x
    x = 11,948,149,787,909,506/139,148,197.04
  6. Step 6: Final answer
    x = 85,866,364.37

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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.