Home / 137,765,898.61-190,116,950.47-75,886,237.17

Finding the Fourth Proportional to 137,765,898.61, 190,116,950.47 and 75,886,237.17

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Solution

The fourth proportional to 137,765,898.61, 190,116,950.47 and 75,886,237.17 is: 104,723,013.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,765,898.61 : 190,116,950.47 = 75,886,237.17 : x
  2. Step 2: Convert to fraction form
    137,765,898.61/190,116,950.47 = 75,886,237.17/x
  3. Step 3: Cross multiply
    137,765,898.61x = 190,116,950.47 × 75,886,237.17
  4. Step 4: Simplify right side
    137,765,898.61x = 14,427,259,993,213,848
  5. Step 5: Solve for x
    x = 14,427,259,993,213,848/137,765,898.61
  6. Step 6: Final answer
    x = 104,723,013.02

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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.