Home / 128,692,058,380.95-193,066,013,287.50-39,152,724,759.54

Finding the Fourth Proportional to 128,692,058,380.95, 193,066,013,287.50 and 39,152,724,759.54

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Solution

The fourth proportional to 128,692,058,380.95, 193,066,013,287.50 and 39,152,724,759.54 is: 58,737,583,140.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,692,058,380.95 : 193,066,013,287.50 = 39,152,724,759.54 : x
  2. Step 2: Convert to fraction form
    128,692,058,380.95/193,066,013,287.50 = 39,152,724,759.54/x
  3. Step 3: Cross multiply
    128,692,058,380.95x = 193,066,013,287.50 × 39,152,724,759.54
  4. Step 4: Simplify right side
    128,692,058,380.95x = 7,559,060,478,667,180,212,224
  5. Step 5: Solve for x
    x = 7,559,060,478,667,180,212,224/128,692,058,380.95
  6. Step 6: Final answer
    x = 58,737,583,140.45

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1.5x scale

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.