Home / 260,330,065.50-390,604,594.08-162,043,938.12

Finding the Fourth Proportional to 260,330,065.50, 390,604,594.08 and 162,043,938.12

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Solution

The fourth proportional to 260,330,065.50, 390,604,594.08 and 162,043,938.12 is: 243,134,063.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,330,065.50 : 390,604,594.08 = 162,043,938.12 : x
  2. Step 2: Convert to fraction form
    260,330,065.50/390,604,594.08 = 162,043,938.12/x
  3. Step 3: Cross multiply
    260,330,065.50x = 390,604,594.08 × 162,043,938.12
  4. Step 4: Simplify right side
    260,330,065.50x = 63,295,106,672,487,240
  5. Step 5: Solve for x
    x = 63,295,106,672,487,240/260,330,065.50
  6. Step 6: Final answer
    x = 243,134,063.49

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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.