Home / 101,440,219.93-139,975,693.68-56,788,637.06

Finding the Fourth Proportional to 101,440,219.93, 139,975,693.68 and 56,788,637.06

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Solution

The fourth proportional to 101,440,219.93, 139,975,693.68 and 56,788,637.06 is: 78,361,707.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,440,219.93 : 139,975,693.68 = 56,788,637.06 : x
  2. Step 2: Convert to fraction form
    101,440,219.93/139,975,693.68 = 56,788,637.06/x
  3. Step 3: Cross multiply
    101,440,219.93x = 139,975,693.68 × 56,788,637.06
  4. Step 4: Simplify right side
    101,440,219.93x = 7,949,028,865,768,737
  5. Step 5: Solve for x
    x = 7,949,028,865,768,737/101,440,219.93
  6. Step 6: Final answer
    x = 78,361,707.73

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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.