Home / 43,042,756.50-64,557,479.40-15,742,665.12

Finding the Fourth Proportional to 43,042,756.50, 64,557,479.40 and 15,742,665.12

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Solution

The fourth proportional to 43,042,756.50, 64,557,479.40 and 15,742,665.12 is: 23,611,563.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,042,756.50 : 64,557,479.40 = 15,742,665.12 : x
  2. Step 2: Convert to fraction form
    43,042,756.50/64,557,479.40 = 15,742,665.12/x
  3. Step 3: Cross multiply
    43,042,756.50x = 64,557,479.40 × 15,742,665.12
  4. Step 4: Simplify right side
    43,042,756.50x = 1,016,306,779,185,498.50
  5. Step 5: Solve for x
    x = 1,016,306,779,185,498.50/43,042,756.50
  6. Step 6: Final answer
    x = 23,611,563.52

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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.