Home / 210,013,401.60-315,020,102.40-136,036,814.40

Finding the Fourth Proportional to 210,013,401.60, 315,020,102.40 and 136,036,814.40

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Solution

The fourth proportional to 210,013,401.60, 315,020,102.40 and 136,036,814.40 is: 204,055,221.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,013,401.60 : 315,020,102.40 = 136,036,814.40 : x
  2. Step 2: Convert to fraction form
    210,013,401.60/315,020,102.40 = 136,036,814.40/x
  3. Step 3: Cross multiply
    210,013,401.60x = 315,020,102.40 × 136,036,814.40
  4. Step 4: Simplify right side
    210,013,401.60x = 42,854,331,202,457,792
  5. Step 5: Solve for x
    x = 42,854,331,202,457,792/210,013,401.60
  6. Step 6: Final answer
    x = 204,055,221.60

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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.