Home / 190,881,607.76-285,925,154.16-121,450,481.36

Finding the Fourth Proportional to 190,881,607.76, 285,925,154.16 and 121,450,481.36

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Solution

The fourth proportional to 190,881,607.76, 285,925,154.16 and 121,450,481.36 is: 181,922,962.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,881,607.76 : 285,925,154.16 = 121,450,481.36 : x
  2. Step 2: Convert to fraction form
    190,881,607.76/285,925,154.16 = 121,450,481.36/x
  3. Step 3: Cross multiply
    190,881,607.76x = 285,925,154.16 × 121,450,481.36
  4. Step 4: Simplify right side
    190,881,607.76x = 34,725,747,605,664,208
  5. Step 5: Solve for x
    x = 34,725,747,605,664,208/190,881,607.76
  6. Step 6: Final answer
    x = 181,922,962.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.