Home / 43,919,802.18-65,487,048.57-42,713,133.03

Finding the Fourth Proportional to 43,919,802.18, 65,487,048.57 and 42,713,133.03

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Solution

The fourth proportional to 43,919,802.18, 65,487,048.57 and 42,713,133.03 is: 63,687,832.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,919,802.18 : 65,487,048.57 = 42,713,133.03 : x
  2. Step 2: Convert to fraction form
    43,919,802.18/65,487,048.57 = 42,713,133.03/x
  3. Step 3: Cross multiply
    43,919,802.18x = 65,487,048.57 × 42,713,133.03
  4. Step 4: Simplify right side
    43,919,802.18x = 2,797,157,017,312,481.50
  5. Step 5: Solve for x
    x = 2,797,157,017,312,481.50/43,919,802.18
  6. Step 6: Final answer
    x = 63,687,832.79

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.