Home / 158,210,628.84-218,309,962.73-91,232,060.67

Finding the Fourth Proportional to 158,210,628.84, 218,309,962.73 and 91,232,060.67

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Solution

The fourth proportional to 158,210,628.84, 218,309,962.73 and 91,232,060.67 is: 125,888,304.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,210,628.84 : 218,309,962.73 = 91,232,060.67 : x
  2. Step 2: Convert to fraction form
    158,210,628.84/218,309,962.73 = 91,232,060.67/x
  3. Step 3: Cross multiply
    158,210,628.84x = 218,309,962.73 × 91,232,060.67
  4. Step 4: Simplify right side
    158,210,628.84x = 19,916,867,764,192,640
  5. Step 5: Solve for x
    x = 19,916,867,764,192,640/158,210,628.84
  6. Step 6: Final answer
    x = 125,888,304.16

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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.