Home / 281,312,037.40-421,632,132.90-117,549,477.40

Finding the Fourth Proportional to 281,312,037.40, 421,632,132.90 and 117,549,477.40

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Solution

The fourth proportional to 281,312,037.40, 421,632,132.90 and 117,549,477.40 is: 176,183,846.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,312,037.40 : 421,632,132.90 = 117,549,477.40 : x
  2. Step 2: Convert to fraction form
    281,312,037.40/421,632,132.90 = 117,549,477.40/x
  3. Step 3: Cross multiply
    281,312,037.40x = 421,632,132.90 × 117,549,477.40
  4. Step 4: Simplify right side
    281,312,037.40x = 49,562,636,877,442,344
  5. Step 5: Solve for x
    x = 49,562,636,877,442,344/281,312,037.40
  6. Step 6: Final answer
    x = 176,183,846.72

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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.