Home / 137,765,905.58-190,116,960.08-75,886,244.16

Finding the Fourth Proportional to 137,765,905.58, 190,116,960.08 and 75,886,244.16

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Solution

The fourth proportional to 137,765,905.58, 190,116,960.08 and 75,886,244.16 is: 104,723,022.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,765,905.58 : 190,116,960.08 = 75,886,244.16 : x
  2. Step 2: Convert to fraction form
    137,765,905.58/190,116,960.08 = 75,886,244.16/x
  3. Step 3: Cross multiply
    137,765,905.58x = 190,116,960.08 × 75,886,244.16
  4. Step 4: Simplify right side
    137,765,905.58x = 14,427,262,051,208,420
  5. Step 5: Solve for x
    x = 14,427,262,051,208,420/137,765,905.58
  6. Step 6: Final answer
    x = 104,723,022.66

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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.