Home / 281,312,063.40-421,632,171.90-117,549,503.40

Finding the Fourth Proportional to 281,312,063.40, 421,632,171.90 and 117,549,503.40

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Solution

The fourth proportional to 281,312,063.40, 421,632,171.90 and 117,549,503.40 is: 176,183,885.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,312,063.40 : 421,632,171.90 = 117,549,503.40 : x
  2. Step 2: Convert to fraction form
    281,312,063.40/421,632,171.90 = 117,549,503.40/x
  3. Step 3: Cross multiply
    281,312,063.40x = 421,632,171.90 × 117,549,503.40
  4. Step 4: Simplify right side
    281,312,063.40x = 49,562,652,424,308,432
  5. Step 5: Solve for x
    x = 49,562,652,424,308,432/281,312,063.40
  6. Step 6: Final answer
    x = 176,183,885.70

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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.