Home / 70,131,050.86-96,780,981.32-39,191,220.18

Finding the Fourth Proportional to 70,131,050.86, 96,780,981.32 and 39,191,220.18

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Solution

The fourth proportional to 70,131,050.86, 96,780,981.32 and 39,191,220.18 is: 54,083,957.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,131,050.86 : 96,780,981.32 = 39,191,220.18 : x
  2. Step 2: Convert to fraction form
    70,131,050.86/96,780,981.32 = 39,191,220.18/x
  3. Step 3: Cross multiply
    70,131,050.86x = 96,780,981.32 × 39,191,220.18
  4. Step 4: Simplify right side
    70,131,050.86x = 3,792,964,748,148,586.50
  5. Step 5: Solve for x
    x = 3,792,964,748,148,586.50/70,131,050.86
  6. Step 6: Final answer
    x = 54,083,957.13

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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.