Home / 105,391,258-145,439,936.04-57,156,762

Finding the Fourth Proportional to 105,391,258, 145,439,936.04 and 57,156,762

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Solution

The fourth proportional to 105,391,258, 145,439,936.04 and 57,156,762 is: 78,876,331.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,391,258 : 145,439,936.04 = 57,156,762 : x
  2. Step 2: Convert to fraction form
    105,391,258/145,439,936.04 = 57,156,762/x
  3. Step 3: Cross multiply
    105,391,258x = 145,439,936.04 × 57,156,762
  4. Step 4: Simplify right side
    105,391,258x = 8,312,875,809,533,502
  5. Step 5: Solve for x
    x = 8,312,875,809,533,502/105,391,258
  6. Step 6: Final answer
    x = 78,876,331.56

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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.