Home / 200,473,401.60-300,710,102.40-140,007,225.60

Finding the Fourth Proportional to 200,473,401.60, 300,710,102.40 and 140,007,225.60

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Solution

The fourth proportional to 200,473,401.60, 300,710,102.40 and 140,007,225.60 is: 210,010,838.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,473,401.60 : 300,710,102.40 = 140,007,225.60 : x
  2. Step 2: Convert to fraction form
    200,473,401.60/300,710,102.40 = 140,007,225.60/x
  3. Step 3: Cross multiply
    200,473,401.60x = 300,710,102.40 × 140,007,225.60
  4. Step 4: Simplify right side
    200,473,401.60x = 42,101,587,146,915,896
  5. Step 5: Solve for x
    x = 42,101,587,146,915,896/200,473,401.60
  6. Step 6: Final answer
    x = 210,010,838.40

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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.