Home / 115,993,510.14-160,069,830.96-86,356,673.67

Finding the Fourth Proportional to 115,993,510.14, 160,069,830.96 and 86,356,673.67

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Solution

The fourth proportional to 115,993,510.14, 160,069,830.96 and 86,356,673.67 is: 119,171,306.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,993,510.14 : 160,069,830.96 = 86,356,673.67 : x
  2. Step 2: Convert to fraction form
    115,993,510.14/160,069,830.96 = 86,356,673.67/x
  3. Step 3: Cross multiply
    115,993,510.14x = 160,069,830.96 × 86,356,673.67
  4. Step 4: Simplify right side
    115,993,510.14x = 13,823,098,156,624,784
  5. Step 5: Solve for x
    x = 13,823,098,156,624,784/115,993,510.14
  6. Step 6: Final answer
    x = 119,171,306.57

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Why These Related Problems?

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