Home / 281,312,031.40-421,632,123.90-117,549,471.40

Finding the Fourth Proportional to 281,312,031.40, 421,632,123.90 and 117,549,471.40

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Solution

The fourth proportional to 281,312,031.40, 421,632,123.90 and 117,549,471.40 is: 176,183,837.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,312,031.40 : 421,632,123.90 = 117,549,471.40 : x
  2. Step 2: Convert to fraction form
    281,312,031.40/421,632,123.90 = 117,549,471.40/x
  3. Step 3: Cross multiply
    281,312,031.40x = 421,632,123.90 × 117,549,471.40
  4. Step 4: Simplify right side
    281,312,031.40x = 49,562,633,289,704,304
  5. Step 5: Solve for x
    x = 49,562,633,289,704,304/281,312,031.40
  6. Step 6: Final answer
    x = 176,183,837.72

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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.