Home / 158,664,063.47-218,956,406.56-89,049,444.35

Finding the Fourth Proportional to 158,664,063.47, 218,956,406.56 and 89,049,444.35

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Solution

The fourth proportional to 158,664,063.47, 218,956,406.56 and 89,049,444.35 is: 122,888,232.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,664,063.47 : 218,956,406.56 = 89,049,444.35 : x
  2. Step 2: Convert to fraction form
    158,664,063.47/218,956,406.56 = 89,049,444.35/x
  3. Step 3: Cross multiply
    158,664,063.47x = 218,956,406.56 × 89,049,444.35
  4. Step 4: Simplify right side
    158,664,063.47x = 19,497,946,341,699,400
  5. Step 5: Solve for x
    x = 19,497,946,341,699,400/158,664,063.47
  6. Step 6: Final answer
    x = 122,888,232.63

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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.