Home / 34,119,925.20-51,179,887.80-21,205,908.90

Finding the Fourth Proportional to 34,119,925.20, 51,179,887.80 and 21,205,908.90

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Solution

The fourth proportional to 34,119,925.20, 51,179,887.80 and 21,205,908.90 is: 31,808,863.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,119,925.20 : 51,179,887.80 = 21,205,908.90 : x
  2. Step 2: Convert to fraction form
    34,119,925.20/51,179,887.80 = 21,205,908.90/x
  3. Step 3: Cross multiply
    34,119,925.20x = 51,179,887.80 × 21,205,908.90
  4. Step 4: Simplify right side
    34,119,925.20x = 1,085,316,038,199,021.25
  5. Step 5: Solve for x
    x = 1,085,316,038,199,021.25/34,119,925.20
  6. Step 6: Final answer
    x = 31,808,863.35

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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.