Home / 142,080,693.40-213,027,728.10-55,767,093.40

Finding the Fourth Proportional to 142,080,693.40, 213,027,728.10 and 55,767,093.40

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Solution

The fourth proportional to 142,080,693.40, 213,027,728.10 and 55,767,093.40 is: 83,614,014.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,080,693.40 : 213,027,728.10 = 55,767,093.40 : x
  2. Step 2: Convert to fraction form
    142,080,693.40/213,027,728.10 = 55,767,093.40/x
  3. Step 3: Cross multiply
    142,080,693.40x = 213,027,728.10 × 55,767,093.40
  4. Step 4: Simplify right side
    142,080,693.40x = 11,879,937,209,742,504
  5. Step 5: Solve for x
    x = 11,879,937,209,742,504/142,080,693.40
  6. Step 6: Final answer
    x = 83,614,014.86

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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.