Home / 178,017,031.80-266,898,021.30-68,748,679.80

Finding the Fourth Proportional to 178,017,031.80, 266,898,021.30 and 68,748,679.80

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Solution

The fourth proportional to 178,017,031.80, 266,898,021.30 and 68,748,679.80 is: 103,073,770.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,017,031.80 : 266,898,021.30 = 68,748,679.80 : x
  2. Step 2: Convert to fraction form
    178,017,031.80/266,898,021.30 = 68,748,679.80/x
  3. Step 3: Cross multiply
    178,017,031.80x = 266,898,021.30 × 68,748,679.80
  4. Step 4: Simplify right side
    178,017,031.80x = 18,348,886,605,607,280
  5. Step 5: Solve for x
    x = 18,348,886,605,607,280/178,017,031.80
  6. Step 6: Final answer
    x = 103,073,770.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.