Home / 137,995,085.12-190,429,880.96-76,114,095.04

Finding the Fourth Proportional to 137,995,085.12, 190,429,880.96 and 76,114,095.04

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Solution

The fourth proportional to 137,995,085.12, 190,429,880.96 and 76,114,095.04 is: 105,035,610.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,995,085.12 : 190,429,880.96 = 76,114,095.04 : x
  2. Step 2: Convert to fraction form
    137,995,085.12/190,429,880.96 = 76,114,095.04/x
  3. Step 3: Cross multiply
    137,995,085.12x = 190,429,880.96 × 76,114,095.04
  4. Step 4: Simplify right side
    137,995,085.12x = 14,494,398,057,845,328
  5. Step 5: Solve for x
    x = 14,494,398,057,845,328/137,995,085.12
  6. Step 6: Final answer
    x = 105,035,610.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.