Home / 131,574,823.44-181,575,406.12-72,035,126.16

Finding the Fourth Proportional to 131,574,823.44, 181,575,406.12 and 72,035,126.16

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Solution

The fourth proportional to 131,574,823.44, 181,575,406.12 and 72,035,126.16 is: 99,409,651.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,574,823.44 : 181,575,406.12 = 72,035,126.16 : x
  2. Step 2: Convert to fraction form
    131,574,823.44/181,575,406.12 = 72,035,126.16/x
  3. Step 3: Cross multiply
    131,574,823.44x = 181,575,406.12 × 72,035,126.16
  4. Step 4: Simplify right side
    131,574,823.44x = 13,079,807,287,407,436
  5. Step 5: Solve for x
    x = 13,079,807,287,407,436/131,574,823.44
  6. Step 6: Final answer
    x = 99,409,651.07

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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.