Home / 110,779,221.14-166,020,297.93-86,216,807.55

Finding the Fourth Proportional to 110,779,221.14, 166,020,297.93 and 86,216,807.55

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Solution

The fourth proportional to 110,779,221.14, 166,020,297.93 and 86,216,807.55 is: 129,209,611.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,779,221.14 : 166,020,297.93 = 86,216,807.55 : x
  2. Step 2: Convert to fraction form
    110,779,221.14/166,020,297.93 = 86,216,807.55/x
  3. Step 3: Cross multiply
    110,779,221.14x = 166,020,297.93 × 86,216,807.55
  4. Step 4: Simplify right side
    110,779,221.14x = 14,313,740,076,024,474
  5. Step 5: Solve for x
    x = 14,313,740,076,024,474/110,779,221.14
  6. Step 6: Final answer
    x = 129,209,611.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.