Home / 289,708,334.90-434,562,502.35-153,659,438.90

Finding the Fourth Proportional to 289,708,334.90, 434,562,502.35 and 153,659,438.90

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Solution

The fourth proportional to 289,708,334.90, 434,562,502.35 and 153,659,438.90 is: 230,489,158.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,708,334.90 : 434,562,502.35 = 153,659,438.90 : x
  2. Step 2: Convert to fraction form
    289,708,334.90/434,562,502.35 = 153,659,438.90/x
  3. Step 3: Cross multiply
    289,708,334.90x = 434,562,502.35 × 153,659,438.90
  4. Step 4: Simplify right side
    289,708,334.90x = 66,774,630,278,080,936
  5. Step 5: Solve for x
    x = 66,774,630,278,080,936/289,708,334.90
  6. Step 6: Final answer
    x = 230,489,158.35

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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.