Home / 222,249,235.10-333,373,852.65-209,778,086.30

Finding the Fourth Proportional to 222,249,235.10, 333,373,852.65 and 209,778,086.30

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Solution

The fourth proportional to 222,249,235.10, 333,373,852.65 and 209,778,086.30 is: 314,667,129.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,249,235.10 : 333,373,852.65 = 209,778,086.30 : x
  2. Step 2: Convert to fraction form
    222,249,235.10/333,373,852.65 = 209,778,086.30/x
  3. Step 3: Cross multiply
    222,249,235.10x = 333,373,852.65 × 209,778,086.30
  4. Step 4: Simplify right side
    222,249,235.10x = 69,934,528,831,375,184
  5. Step 5: Solve for x
    x = 69,934,528,831,375,184/222,249,235.10
  6. Step 6: Final answer
    x = 314,667,129.45

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1.5x scale

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.