Home / 153,052,729.98-211,210,750.28-86,071,668.24

Finding the Fourth Proportional to 153,052,729.98, 211,210,750.28 and 86,071,668.24

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Solution

The fourth proportional to 153,052,729.98, 211,210,750.28 and 86,071,668.24 is: 118,777,767.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,052,729.98 : 211,210,750.28 = 86,071,668.24 : x
  2. Step 2: Convert to fraction form
    153,052,729.98/211,210,750.28 = 86,071,668.24/x
  3. Step 3: Cross multiply
    153,052,729.98x = 211,210,750.28 × 86,071,668.24
  4. Step 4: Simplify right side
    153,052,729.98x = 18,179,261,626,821,648
  5. Step 5: Solve for x
    x = 18,179,261,626,821,648/153,052,729.98
  6. Step 6: Final answer
    x = 118,777,767.83

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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.