Home / 125,820,391,689.78-173,632,133,890.59-67,948,765,937.01

Finding the Fourth Proportional to 125,820,391,689.78, 173,632,133,890.59 and 67,948,765,937.01

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Solution

The fourth proportional to 125,820,391,689.78, 173,632,133,890.59 and 67,948,765,937.01 is: 93,769,293,406.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,820,391,689.78 : 173,632,133,890.59 = 67,948,765,937.01 : x
  2. Step 2: Convert to fraction form
    125,820,391,689.78/173,632,133,890.59 = 67,948,765,937.01/x
  3. Step 3: Cross multiply
    125,820,391,689.78x = 173,632,133,890.59 × 67,948,765,937.01
  4. Step 4: Simplify right side
    125,820,391,689.78x = 11,798,089,224,875,281,481,728
  5. Step 5: Solve for x
    x = 11,798,089,224,875,281,481,728/125,820,391,689.78
  6. Step 6: Final answer
    x = 93,769,293,406.46

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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.