Home / 120,127,362.54-165,777,066.27-70,569,824.82

Finding the Fourth Proportional to 120,127,362.54, 165,777,066.27 and 70,569,824.82

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Solution

The fourth proportional to 120,127,362.54, 165,777,066.27 and 70,569,824.82 is: 97,387,125.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,127,362.54 : 165,777,066.27 = 70,569,824.82 : x
  2. Step 2: Convert to fraction form
    120,127,362.54/165,777,066.27 = 70,569,824.82/x
  3. Step 3: Cross multiply
    120,127,362.54x = 165,777,066.27 × 70,569,824.82
  4. Step 4: Simplify right side
    120,127,362.54x = 11,698,858,525,847,430
  5. Step 5: Solve for x
    x = 11,698,858,525,847,430/120,127,362.54
  6. Step 6: Final answer
    x = 97,387,125.45

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1.5x scale

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.