Home / 145,768,682.73-201,163,173-87,036,480.21

Finding the Fourth Proportional to 145,768,682.73, 201,163,173 and 87,036,480.21

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Solution

The fourth proportional to 145,768,682.73, 201,163,173 and 87,036,480.21 is: 120,111,770.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,768,682.73 : 201,163,173 = 87,036,480.21 : x
  2. Step 2: Convert to fraction form
    145,768,682.73/201,163,173 = 87,036,480.21/x
  3. Step 3: Cross multiply
    145,768,682.73x = 201,163,173 × 87,036,480.21
  4. Step 4: Simplify right side
    145,768,682.73x = 17,508,534,525,795,306
  5. Step 5: Solve for x
    x = 17,508,534,525,795,306/145,768,682.73
  6. Step 6: Final answer
    x = 120,111,770.22

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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.