Home / 137,730,663.60-190,066,018.84-75,856,759.44

Finding the Fourth Proportional to 137,730,663.60, 190,066,018.84 and 75,856,759.44

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Solution

The fourth proportional to 137,730,663.60, 190,066,018.84 and 75,856,759.44 is: 104,681,062.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,730,663.60 : 190,066,018.84 = 75,856,759.44 : x
  2. Step 2: Convert to fraction form
    137,730,663.60/190,066,018.84 = 75,856,759.44/x
  3. Step 3: Cross multiply
    137,730,663.60x = 190,066,018.84 × 75,856,759.44
  4. Step 4: Simplify right side
    137,730,663.60x = 14,417,792,268,864,388
  5. Step 5: Solve for x
    x = 14,417,792,268,864,388/137,730,663.60
  6. Step 6: Final answer
    x = 104,681,062.97

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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.