Home / 70,057,360.89-105,096,070.62-21,539,289.15

Finding the Fourth Proportional to 70,057,360.89, 105,096,070.62 and 21,539,289.15

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Solution

The fourth proportional to 70,057,360.89, 105,096,070.62 and 21,539,289.15 is: 32,312,017.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,057,360.89 : 105,096,070.62 = 21,539,289.15 : x
  2. Step 2: Convert to fraction form
    70,057,360.89/105,096,070.62 = 21,539,289.15/x
  3. Step 3: Cross multiply
    70,057,360.89x = 105,096,070.62 × 21,539,289.15
  4. Step 4: Simplify right side
    70,057,360.89x = 2,263,694,653,612,999.50
  5. Step 5: Solve for x
    x = 2,263,694,653,612,999.50/70,057,360.89
  6. Step 6: Final answer
    x = 32,312,017.25

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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.