Home / 165,999,491.66-249,085,410.77-67,703,312.40

Finding the Fourth Proportional to 165,999,491.66, 249,085,410.77 and 67,703,312.40

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Solution

The fourth proportional to 165,999,491.66, 249,085,410.77 and 67,703,312.40 is: 101,590,114.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,999,491.66 : 249,085,410.77 = 67,703,312.40 : x
  2. Step 2: Convert to fraction form
    165,999,491.66/249,085,410.77 = 67,703,312.40/x
  3. Step 3: Cross multiply
    165,999,491.66x = 249,085,410.77 × 67,703,312.40
  4. Step 4: Simplify right side
    165,999,491.66x = 16,863,907,379,305,118
  5. Step 5: Solve for x
    x = 16,863,907,379,305,118/165,999,491.66
  6. Step 6: Final answer
    x = 101,590,114.59

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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.