Home / 138,082,210.48-190,553,059.74-76,202,106.58

Finding the Fourth Proportional to 138,082,210.48, 190,553,059.74 and 76,202,106.58

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Solution

The fourth proportional to 138,082,210.48, 190,553,059.74 and 76,202,106.58 is: 105,158,691.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,082,210.48 : 190,553,059.74 = 76,202,106.58 : x
  2. Step 2: Convert to fraction form
    138,082,210.48/190,553,059.74 = 76,202,106.58/x
  3. Step 3: Cross multiply
    138,082,210.48x = 190,553,059.74 × 76,202,106.58
  4. Step 4: Simplify right side
    138,082,210.48x = 14,520,544,567,452,588
  5. Step 5: Solve for x
    x = 14,520,544,567,452,588/138,082,210.48
  6. Step 6: Final answer
    x = 105,158,691.46

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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.