Home / 97,068,996.94-133,866,498.59-75,878,576.21

Finding the Fourth Proportional to 97,068,996.94, 133,866,498.59 and 75,878,576.21

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Solution

The fourth proportional to 97,068,996.94, 133,866,498.59 and 75,878,576.21 is: 104,643,085.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,068,996.94 : 133,866,498.59 = 75,878,576.21 : x
  2. Step 2: Convert to fraction form
    97,068,996.94/133,866,498.59 = 75,878,576.21/x
  3. Step 3: Cross multiply
    97,068,996.94x = 133,866,498.59 × 75,878,576.21
  4. Step 4: Simplify right side
    97,068,996.94x = 10,157,599,315,227,172
  5. Step 5: Solve for x
    x = 10,157,599,315,227,172/97,068,996.94
  6. Step 6: Final answer
    x = 104,643,085.18

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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.