Home / 210,054,427.74-289,605,652.56-172,238,267.16

Finding the Fourth Proportional to 210,054,427.74, 289,605,652.56 and 172,238,267.16

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Solution

The fourth proportional to 210,054,427.74, 289,605,652.56 and 172,238,267.16 is: 237,467,861.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,054,427.74 : 289,605,652.56 = 172,238,267.16 : x
  2. Step 2: Convert to fraction form
    210,054,427.74/289,605,652.56 = 172,238,267.16/x
  3. Step 3: Cross multiply
    210,054,427.74x = 289,605,652.56 × 172,238,267.16
  4. Step 4: Simplify right side
    210,054,427.74x = 49,881,175,756,675,416
  5. Step 5: Solve for x
    x = 49,881,175,756,675,416/210,054,427.74
  6. Step 6: Final answer
    x = 237,467,861.51

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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.