Home / 130,046,185.04-179,290,125.20-103,312,218.98

Finding the Fourth Proportional to 130,046,185.04, 179,290,125.20 and 103,312,218.98

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Solution

The fourth proportional to 130,046,185.04, 179,290,125.20 and 103,312,218.98 is: 142,432,941.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,046,185.04 : 179,290,125.20 = 103,312,218.98 : x
  2. Step 2: Convert to fraction form
    130,046,185.04/179,290,125.20 = 103,312,218.98/x
  3. Step 3: Cross multiply
    130,046,185.04x = 179,290,125.20 × 103,312,218.98
  4. Step 4: Simplify right side
    130,046,185.04x = 18,522,860,675,614,016
  5. Step 5: Solve for x
    x = 18,522,860,675,614,016/130,046,185.04
  6. Step 6: Final answer
    x = 142,432,941.57

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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.