Home / 99,173,102.01-136,897,374.81-74,464,638.45

Finding the Fourth Proportional to 99,173,102.01, 136,897,374.81 and 74,464,638.45

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Solution

The fourth proportional to 99,173,102.01, 136,897,374.81 and 74,464,638.45 is: 102,790,104.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,173,102.01 : 136,897,374.81 = 74,464,638.45 : x
  2. Step 2: Convert to fraction form
    99,173,102.01/136,897,374.81 = 74,464,638.45/x
  3. Step 3: Cross multiply
    99,173,102.01x = 136,897,374.81 × 74,464,638.45
  4. Step 4: Simplify right side
    99,173,102.01x = 10,194,013,519,980,788
  5. Step 5: Solve for x
    x = 10,194,013,519,980,788/99,173,102.01
  6. Step 6: Final answer
    x = 102,790,104.51

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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.