Home / 111,470,200.80-153,827,967.56-61,235,260.35

Finding the Fourth Proportional to 111,470,200.80, 153,827,967.56 and 61,235,260.35

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Solution

The fourth proportional to 111,470,200.80, 153,827,967.56 and 61,235,260.35 is: 84,504,159.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,470,200.80 : 153,827,967.56 = 61,235,260.35 : x
  2. Step 2: Convert to fraction form
    111,470,200.80/153,827,967.56 = 61,235,260.35/x
  3. Step 3: Cross multiply
    111,470,200.80x = 153,827,967.56 × 61,235,260.35
  4. Step 4: Simplify right side
    111,470,200.80x = 9,419,695,642,341,778
  5. Step 5: Solve for x
    x = 9,419,695,642,341,778/111,470,200.80
  6. Step 6: Final answer
    x = 84,504,159.63

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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.