Home / 30,319,381.20-45,479,071.80-23,144,927.70

Finding the Fourth Proportional to 30,319,381.20, 45,479,071.80 and 23,144,927.70

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Solution

The fourth proportional to 30,319,381.20, 45,479,071.80 and 23,144,927.70 is: 34,717,391.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,319,381.20 : 45,479,071.80 = 23,144,927.70 : x
  2. Step 2: Convert to fraction form
    30,319,381.20/45,479,071.80 = 23,144,927.70/x
  3. Step 3: Cross multiply
    30,319,381.20x = 45,479,071.80 × 23,144,927.70
  4. Step 4: Simplify right side
    30,319,381.20x = 1,052,609,828,674,108.75
  5. Step 5: Solve for x
    x = 1,052,609,828,674,108.75/30,319,381.20
  6. Step 6: Final answer
    x = 34,717,391.55

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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.