Home / 289,692,500.40-434,538,750.60-136,637,492.40

Finding the Fourth Proportional to 289,692,500.40, 434,538,750.60 and 136,637,492.40

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Solution

The fourth proportional to 289,692,500.40, 434,538,750.60 and 136,637,492.40 is: 204,956,238.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,692,500.40 : 434,538,750.60 = 136,637,492.40 : x
  2. Step 2: Convert to fraction form
    289,692,500.40/434,538,750.60 = 136,637,492.40/x
  3. Step 3: Cross multiply
    289,692,500.40x = 434,538,750.60 × 136,637,492.40
  4. Step 4: Simplify right side
    289,692,500.40x = 59,374,285,232,613,000
  5. Step 5: Solve for x
    x = 59,374,285,232,613,000/289,692,500.40
  6. Step 6: Final answer
    x = 204,956,238.60

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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.