Home / 86,895,902.74-119,916,389.69-47,740,201.21

Finding the Fourth Proportional to 86,895,902.74, 119,916,389.69 and 47,740,201.21

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Solution

The fourth proportional to 86,895,902.74, 119,916,389.69 and 47,740,201.21 is: 65,881,501.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,895,902.74 : 119,916,389.69 = 47,740,201.21 : x
  2. Step 2: Convert to fraction form
    86,895,902.74/119,916,389.69 = 47,740,201.21/x
  3. Step 3: Cross multiply
    86,895,902.74x = 119,916,389.69 × 47,740,201.21
  4. Step 4: Simplify right side
    86,895,902.74x = 5,724,832,572,177,370
  5. Step 5: Solve for x
    x = 5,724,832,572,177,370/86,895,902.74
  6. Step 6: Final answer
    x = 65,881,501.79

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.