Home / 190,974,692.48-286,258,088.16-108,916,880.54

Finding the Fourth Proportional to 190,974,692.48, 286,258,088.16 and 108,916,880.54

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Solution

The fourth proportional to 190,974,692.48, 286,258,088.16 and 108,916,880.54 is: 163,259,003.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,974,692.48 : 286,258,088.16 = 108,916,880.54 : x
  2. Step 2: Convert to fraction form
    190,974,692.48/286,258,088.16 = 108,916,880.54/x
  3. Step 3: Cross multiply
    190,974,692.48x = 286,258,088.16 × 108,916,880.54
  4. Step 4: Simplify right side
    190,974,692.48x = 31,178,337,991,731,512
  5. Step 5: Solve for x
    x = 31,178,337,991,731,512/190,974,692.48
  6. Step 6: Final answer
    x = 163,259,003.52

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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.