Home / 94,679,980.80-142,019,971.20-69,170,812.80

Finding the Fourth Proportional to 94,679,980.80, 142,019,971.20 and 69,170,812.80

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Solution

The fourth proportional to 94,679,980.80, 142,019,971.20 and 69,170,812.80 is: 103,756,219.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,679,980.80 : 142,019,971.20 = 69,170,812.80 : x
  2. Step 2: Convert to fraction form
    94,679,980.80/142,019,971.20 = 69,170,812.80/x
  3. Step 3: Cross multiply
    94,679,980.80x = 142,019,971.20 × 69,170,812.80
  4. Step 4: Simplify right side
    94,679,980.80x = 9,823,636,841,736,590
  5. Step 5: Solve for x
    x = 9,823,636,841,736,590/94,679,980.80
  6. Step 6: Final answer
    x = 103,756,219.20

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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.