Home / 109,689,439,678.46-151,372,653,912.97-60,861,144,263.35

Finding the Fourth Proportional to 109,689,439,678.46, 151,372,653,912.97 and 60,861,144,263.35

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Solution

The fourth proportional to 109,689,439,678.46, 151,372,653,912.97 and 60,861,144,263.35 is: 83,989,059,970.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,689,439,678.46 : 151,372,653,912.97 = 60,861,144,263.35 : x
  2. Step 2: Convert to fraction form
    109,689,439,678.46/151,372,653,912.97 = 60,861,144,263.35/x
  3. Step 3: Cross multiply
    109,689,439,678.46x = 151,372,653,912.97 × 60,861,144,263.35
  4. Step 4: Simplify right side
    109,689,439,678.46x = 9,212,712,927,323,268,055,040
  5. Step 5: Solve for x
    x = 9,212,712,927,323,268,055,040/109,689,439,678.46
  6. Step 6: Final answer
    x = 83,989,059,970.85

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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.