Home / 143,119,874,428.80-214,679,811,643.20-38,440,830,537.60

Finding the Fourth Proportional to 143,119,874,428.80, 214,679,811,643.20 and 38,440,830,537.60

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Solution

The fourth proportional to 143,119,874,428.80, 214,679,811,643.20 and 38,440,830,537.60 is: 57,661,245,806.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,119,874,428.80 : 214,679,811,643.20 = 38,440,830,537.60 : x
  2. Step 2: Convert to fraction form
    143,119,874,428.80/214,679,811,643.20 = 38,440,830,537.60/x
  3. Step 3: Cross multiply
    143,119,874,428.80x = 214,679,811,643.20 × 38,440,830,537.60
  4. Step 4: Simplify right side
    143,119,874,428.80x = 8,252,470,259,220,139,212,800
  5. Step 5: Solve for x
    x = 8,252,470,259,220,139,212,800/143,119,874,428.80
  6. Step 6: Final answer
    x = 57,661,245,806.40

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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.