Home / 139,462,631.54-209,129,303.40-52,000,664.92

Finding the Fourth Proportional to 139,462,631.54, 209,129,303.40 and 52,000,664.92

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Solution

The fourth proportional to 139,462,631.54, 209,129,303.40 and 52,000,664.92 is: 77,976,893.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,462,631.54 : 209,129,303.40 = 52,000,664.92 : x
  2. Step 2: Convert to fraction form
    139,462,631.54/209,129,303.40 = 52,000,664.92/x
  3. Step 3: Cross multiply
    139,462,631.54x = 209,129,303.40 × 52,000,664.92
  4. Step 4: Simplify right side
    139,462,631.54x = 10,874,862,831,625,770
  5. Step 5: Solve for x
    x = 10,874,862,831,625,770/139,462,631.54
  6. Step 6: Final answer
    x = 77,976,893.96

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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.