Home / 137,765,901.84-190,116,954.96-75,886,240.40

Finding the Fourth Proportional to 137,765,901.84, 190,116,954.96 and 75,886,240.40

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Solution

The fourth proportional to 137,765,901.84, 190,116,954.96 and 75,886,240.40 is: 104,723,017.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,765,901.84 : 190,116,954.96 = 75,886,240.40 : x
  2. Step 2: Convert to fraction form
    137,765,901.84/190,116,954.96 = 75,886,240.40/x
  3. Step 3: Cross multiply
    137,765,901.84x = 190,116,954.96 × 75,886,240.40
  4. Step 4: Simplify right side
    137,765,901.84x = 14,427,260,948,210,534
  5. Step 5: Solve for x
    x = 14,427,260,948,210,534/137,765,901.84
  6. Step 6: Final answer
    x = 104,723,017.49

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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.