Home / 213,645,068.02-320,457,971.94-89,096,409.46

Finding the Fourth Proportional to 213,645,068.02, 320,457,971.94 and 89,096,409.46

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Solution

The fourth proportional to 213,645,068.02, 320,457,971.94 and 89,096,409.46 is: 133,640,598.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,645,068.02 : 320,457,971.94 = 89,096,409.46 : x
  2. Step 2: Convert to fraction form
    213,645,068.02/320,457,971.94 = 89,096,409.46/x
  3. Step 3: Cross multiply
    213,645,068.02x = 320,457,971.94 × 89,096,409.46
  4. Step 4: Simplify right side
    213,645,068.02x = 28,551,654,682,687,428
  5. Step 5: Solve for x
    x = 28,551,654,682,687,428/213,645,068.02
  6. Step 6: Final answer
    x = 133,640,598.15

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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.