Home / 158,860,797.45-218,721,116.75-135,562,424.01

Finding the Fourth Proportional to 158,860,797.45, 218,721,116.75 and 135,562,424.01

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Solution

The fourth proportional to 158,860,797.45, 218,721,116.75 and 135,562,424.01 is: 186,643,685.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,860,797.45 : 218,721,116.75 = 135,562,424.01 : x
  2. Step 2: Convert to fraction form
    158,860,797.45/218,721,116.75 = 135,562,424.01/x
  3. Step 3: Cross multiply
    158,860,797.45x = 218,721,116.75 × 135,562,424.01
  4. Step 4: Simplify right side
    158,860,797.45x = 29,650,364,768,126,400
  5. Step 5: Solve for x
    x = 29,650,364,768,126,400/158,860,797.45
  6. Step 6: Final answer
    x = 186,643,685.82

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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.