Home / 145,730,623.32-200,978,030.16-120,911,497.56

Finding the Fourth Proportional to 145,730,623.32, 200,978,030.16 and 120,911,497.56

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Solution

The fourth proportional to 145,730,623.32, 200,978,030.16 and 120,911,497.56 is: 166,749,815.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,730,623.32 : 200,978,030.16 = 120,911,497.56 : x
  2. Step 2: Convert to fraction form
    145,730,623.32/200,978,030.16 = 120,911,497.56/x
  3. Step 3: Cross multiply
    145,730,623.32x = 200,978,030.16 × 120,911,497.56
  4. Step 4: Simplify right side
    145,730,623.32x = 24,300,554,603,304,448
  5. Step 5: Solve for x
    x = 24,300,554,603,304,448/145,730,623.32
  6. Step 6: Final answer
    x = 166,749,815.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.