Home / 137,335,154,563.09-189,522,670,420.81-76,366,212,755.52

Finding the Fourth Proportional to 137,335,154,563.09, 189,522,670,420.81 and 76,366,212,755.52

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Solution

The fourth proportional to 137,335,154,563.09, 189,522,670,420.81 and 76,366,212,755.52 is: 105,385,460,972.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,335,154,563.09 : 189,522,670,420.81 = 76,366,212,755.52 : x
  2. Step 2: Convert to fraction form
    137,335,154,563.09/189,522,670,420.81 = 76,366,212,755.52/x
  3. Step 3: Cross multiply
    137,335,154,563.09x = 189,522,670,420.81 × 76,366,212,755.52
  4. Step 4: Simplify right side
    137,335,154,563.09x = 14,473,128,571,349,875,294,208
  5. Step 5: Solve for x
    x = 14,473,128,571,349,875,294,208/137,335,154,563.09
  6. Step 6: Final answer
    x = 105,385,460,972.42

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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.