Home / 236,199,303.90-354,298,955.85-212,390,747.10

Finding the Fourth Proportional to 236,199,303.90, 354,298,955.85 and 212,390,747.10

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Solution

The fourth proportional to 236,199,303.90, 354,298,955.85 and 212,390,747.10 is: 318,586,120.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,199,303.90 : 354,298,955.85 = 212,390,747.10 : x
  2. Step 2: Convert to fraction form
    236,199,303.90/354,298,955.85 = 212,390,747.10/x
  3. Step 3: Cross multiply
    236,199,303.90x = 354,298,955.85 × 212,390,747.10
  4. Step 4: Simplify right side
    236,199,303.90x = 75,249,819,929,731,424
  5. Step 5: Solve for x
    x = 75,249,819,929,731,424/236,199,303.90
  6. Step 6: Final answer
    x = 318,586,120.65

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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.