Home / 154,425,356.60-231,637,839.24-39,409,901.50

Finding the Fourth Proportional to 154,425,356.60, 231,637,839.24 and 39,409,901.50

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Solution

The fourth proportional to 154,425,356.60, 231,637,839.24 and 39,409,901.50 is: 59,114,802.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,425,356.60 : 231,637,839.24 = 39,409,901.50 : x
  2. Step 2: Convert to fraction form
    154,425,356.60/231,637,839.24 = 39,409,901.50/x
  3. Step 3: Cross multiply
    154,425,356.60x = 231,637,839.24 × 39,409,901.50
  4. Step 4: Simplify right side
    154,425,356.60x = 9,128,824,428,121,236
  5. Step 5: Solve for x
    x = 9,128,824,428,121,236/154,425,356.60
  6. Step 6: Final answer
    x = 59,114,802.32

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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.