Home / 186,746,800.60-280,120,200.90-122,249,546.20

Finding the Fourth Proportional to 186,746,800.60, 280,120,200.90 and 122,249,546.20

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Solution

The fourth proportional to 186,746,800.60, 280,120,200.90 and 122,249,546.20 is: 183,374,319.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,746,800.60 : 280,120,200.90 = 122,249,546.20 : x
  2. Step 2: Convert to fraction form
    186,746,800.60/280,120,200.90 = 122,249,546.20/x
  3. Step 3: Cross multiply
    186,746,800.60x = 280,120,200.90 × 122,249,546.20
  4. Step 4: Simplify right side
    186,746,800.60x = 34,244,567,441,477,828
  5. Step 5: Solve for x
    x = 34,244,567,441,477,828/186,746,800.60
  6. Step 6: Final answer
    x = 183,374,319.30

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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.