Home / 97,045,137-133,813,114.02-79,348,827.24

Finding the Fourth Proportional to 97,045,137, 133,813,114.02 and 79,348,827.24

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Solution

The fourth proportional to 97,045,137, 133,813,114.02 and 79,348,827.24 is: 109,412,114.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,045,137 : 133,813,114.02 = 79,348,827.24 : x
  2. Step 2: Convert to fraction form
    97,045,137/133,813,114.02 = 79,348,827.24/x
  3. Step 3: Cross multiply
    97,045,137x = 133,813,114.02 × 79,348,827.24
  4. Step 4: Simplify right side
    97,045,137x = 10,617,913,666,819,400
  5. Step 5: Solve for x
    x = 10,617,913,666,819,400/97,045,137
  6. Step 6: Final answer
    x = 109,412,114.76

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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.