Home / 211,767,075.46-292,245,652.79-117,685,188.28

Finding the Fourth Proportional to 211,767,075.46, 292,245,652.79 and 117,685,188.28

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Solution

The fourth proportional to 211,767,075.46, 292,245,652.79 and 117,685,188.28 is: 162,409,499.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,767,075.46 : 292,245,652.79 = 117,685,188.28 : x
  2. Step 2: Convert to fraction form
    211,767,075.46/292,245,652.79 = 117,685,188.28/x
  3. Step 3: Cross multiply
    211,767,075.46x = 292,245,652.79 × 117,685,188.28
  4. Step 4: Simplify right side
    211,767,075.46x = 34,392,984,672,602,660
  5. Step 5: Solve for x
    x = 34,392,984,672,602,660/211,767,075.46
  6. Step 6: Final answer
    x = 162,409,499.20

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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.