Home / 145,738,986.48-201,114,304.52-79,658,927.28

Finding the Fourth Proportional to 145,738,986.48, 201,114,304.52 and 79,658,927.28

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Solution

The fourth proportional to 145,738,986.48, 201,114,304.52 and 79,658,927.28 is: 109,926,315.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,738,986.48 : 201,114,304.52 = 79,658,927.28 : x
  2. Step 2: Convert to fraction form
    145,738,986.48/201,114,304.52 = 79,658,927.28/x
  3. Step 3: Cross multiply
    145,738,986.48x = 201,114,304.52 × 79,658,927.28
  4. Step 4: Simplify right side
    145,738,986.48x = 16,020,549,758,726,456
  5. Step 5: Solve for x
    x = 16,020,549,758,726,456/145,738,986.48
  6. Step 6: Final answer
    x = 109,926,315.16

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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.