Home / 142,416,417.40-213,531,314.10-56,102,817.40

Finding the Fourth Proportional to 142,416,417.40, 213,531,314.10 and 56,102,817.40

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Solution

The fourth proportional to 142,416,417.40, 213,531,314.10 and 56,102,817.40 is: 84,117,467.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,416,417.40 : 213,531,314.10 = 56,102,817.40 : x
  2. Step 2: Convert to fraction form
    142,416,417.40/213,531,314.10 = 56,102,817.40/x
  3. Step 3: Cross multiply
    142,416,417.40x = 213,531,314.10 × 56,102,817.40
  4. Step 4: Simplify right side
    142,416,417.40x = 11,979,708,324,134,344
  5. Step 5: Solve for x
    x = 11,979,708,324,134,344/142,416,417.40
  6. Step 6: Final answer
    x = 84,117,467.23

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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.