Home / 128,692,058,374.96-193,066,013,278.47-39,152,724,753.51

Finding the Fourth Proportional to 128,692,058,374.96, 193,066,013,278.47 and 39,152,724,753.51

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Solution

The fourth proportional to 128,692,058,374.96, 193,066,013,278.47 and 39,152,724,753.51 is: 58,737,583,131.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,692,058,374.96 : 193,066,013,278.47 = 39,152,724,753.51 : x
  2. Step 2: Convert to fraction form
    128,692,058,374.96/193,066,013,278.47 = 39,152,724,753.51/x
  3. Step 3: Cross multiply
    128,692,058,374.96x = 193,066,013,278.47 × 39,152,724,753.51
  4. Step 4: Simplify right side
    128,692,058,374.96x = 7,559,060,477,149,442,998,272
  5. Step 5: Solve for x
    x = 7,559,060,477,149,442,998,272/128,692,058,374.96
  6. Step 6: Final answer
    x = 58,737,583,131.39

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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.