Home / 128,692,058,377.95-193,066,013,282.99-39,152,724,756.53

Finding the Fourth Proportional to 128,692,058,377.95, 193,066,013,282.99 and 39,152,724,756.53

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Solution

The fourth proportional to 128,692,058,377.95, 193,066,013,282.99 and 39,152,724,756.53 is: 58,737,583,135.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,692,058,377.95 : 193,066,013,282.99 = 39,152,724,756.53 : x
  2. Step 2: Convert to fraction form
    128,692,058,377.95/193,066,013,282.99 = 39,152,724,756.53/x
  3. Step 3: Cross multiply
    128,692,058,377.95x = 193,066,013,282.99 × 39,152,724,756.53
  4. Step 4: Simplify right side
    128,692,058,377.95x = 7,559,060,477,908,507,164,672
  5. Step 5: Solve for x
    x = 7,559,060,477,908,507,164,672/128,692,058,377.95
  6. Step 6: Final answer
    x = 58,737,583,135.93

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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.