Home / 442,016,973.84-662,912,369.64-131,051,875.32

Finding the Fourth Proportional to 442,016,973.84, 662,912,369.64 and 131,051,875.32

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Solution

The fourth proportional to 442,016,973.84, 662,912,369.64 and 131,051,875.32 is: 196,544,283.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,016,973.84 : 662,912,369.64 = 131,051,875.32 : x
  2. Step 2: Convert to fraction form
    442,016,973.84/662,912,369.64 = 131,051,875.32/x
  3. Step 3: Cross multiply
    442,016,973.84x = 662,912,369.64 × 131,051,875.32
  4. Step 4: Simplify right side
    442,016,973.84x = 86,875,909,214,147,024
  5. Step 5: Solve for x
    x = 86,875,909,214,147,024/442,016,973.84
  6. Step 6: Final answer
    x = 196,544,283.04

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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.