Home / 210,152,600,020.90-315,731,792,215.86-134,753,474,638.27

Finding the Fourth Proportional to 210,152,600,020.90, 315,731,792,215.86 and 134,753,474,638.27

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Solution

The fourth proportional to 210,152,600,020.90, 315,731,792,215.86 and 134,753,474,638.27 is: 202,452,675,106.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,152,600,020.90 : 315,731,792,215.86 = 134,753,474,638.27 : x
  2. Step 2: Convert to fraction form
    210,152,600,020.90/315,731,792,215.86 = 134,753,474,638.27/x
  3. Step 3: Cross multiply
    210,152,600,020.90x = 315,731,792,215.86 × 134,753,474,638.27
  4. Step 4: Simplify right side
    210,152,600,020.90x = 42,545,956,054,855,424,409,600
  5. Step 5: Solve for x
    x = 42,545,956,054,855,424,409,600/210,152,600,020.90
  6. Step 6: Final answer
    x = 202,452,675,106.68

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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.