Home / 74,680,076.30-112,020,114.45-65,722,124.30

Finding the Fourth Proportional to 74,680,076.30, 112,020,114.45 and 65,722,124.30

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Solution

The fourth proportional to 74,680,076.30, 112,020,114.45 and 65,722,124.30 is: 98,583,186.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,680,076.30 : 112,020,114.45 = 65,722,124.30 : x
  2. Step 2: Convert to fraction form
    74,680,076.30/112,020,114.45 = 65,722,124.30/x
  3. Step 3: Cross multiply
    74,680,076.30x = 112,020,114.45 × 65,722,124.30
  4. Step 4: Simplify right side
    74,680,076.30x = 7,362,199,885,983,126
  5. Step 5: Solve for x
    x = 7,362,199,885,983,126/74,680,076.30
  6. Step 6: Final answer
    x = 98,583,186.45

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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.