Home / 289,706,897.40-434,560,346.10-136,651,889.40

Finding the Fourth Proportional to 289,706,897.40, 434,560,346.10 and 136,651,889.40

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Solution

The fourth proportional to 289,706,897.40, 434,560,346.10 and 136,651,889.40 is: 204,977,834.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,706,897.40 : 434,560,346.10 = 136,651,889.40 : x
  2. Step 2: Convert to fraction form
    289,706,897.40/434,560,346.10 = 136,651,889.40/x
  3. Step 3: Cross multiply
    289,706,897.40x = 434,560,346.10 × 136,651,889.40
  4. Step 4: Simplify right side
    289,706,897.40x = 59,383,492,352,882,928
  5. Step 5: Solve for x
    x = 59,383,492,352,882,928/289,706,897.40
  6. Step 6: Final answer
    x = 204,977,834.10

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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.