Home / 358,343,846.40-537,117,638.40-196,901,644.80

Finding the Fourth Proportional to 358,343,846.40, 537,117,638.40 and 196,901,644.80

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Solution

The fourth proportional to 358,343,846.40, 537,117,638.40 and 196,901,644.80 is: 295,133,703.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,343,846.40 : 537,117,638.40 = 196,901,644.80 : x
  2. Step 2: Convert to fraction form
    358,343,846.40/537,117,638.40 = 196,901,644.80/x
  3. Step 3: Cross multiply
    358,343,846.40x = 537,117,638.40 × 196,901,644.80
  4. Step 4: Simplify right side
    358,343,846.40x = 105,759,346,452,051,648
  5. Step 5: Solve for x
    x = 105,759,346,452,051,648/358,343,846.40
  6. Step 6: Final answer
    x = 295,133,703.33

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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.