Home / 172,579,263.46-238,157,964.79-94,262,870.01

Finding the Fourth Proportional to 172,579,263.46, 238,157,964.79 and 94,262,870.01

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Solution

The fourth proportional to 172,579,263.46, 238,157,964.79 and 94,262,870.01 is: 130,081,985.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,579,263.46 : 238,157,964.79 = 94,262,870.01 : x
  2. Step 2: Convert to fraction form
    172,579,263.46/238,157,964.79 = 94,262,870.01/x
  3. Step 3: Cross multiply
    172,579,263.46x = 238,157,964.79 × 94,262,870.01
  4. Step 4: Simplify right side
    172,579,263.46x = 22,449,453,276,845,928
  5. Step 5: Solve for x
    x = 22,449,453,276,845,928/172,579,263.46
  6. Step 6: Final answer
    x = 130,081,985.67

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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.