Home / 94,120,189.73-129,748,970.54-65,774,557.79

Finding the Fourth Proportional to 94,120,189.73, 129,748,970.54 and 65,774,557.79

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Solution

The fourth proportional to 94,120,189.73, 129,748,970.54 and 65,774,557.79 is: 90,673,225.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,120,189.73 : 129,748,970.54 = 65,774,557.79 : x
  2. Step 2: Convert to fraction form
    94,120,189.73/129,748,970.54 = 65,774,557.79/x
  3. Step 3: Cross multiply
    94,120,189.73x = 129,748,970.54 × 65,774,557.79
  4. Step 4: Simplify right side
    94,120,189.73x = 8,534,181,160,971,736
  5. Step 5: Solve for x
    x = 8,534,181,160,971,736/94,120,189.73
  6. Step 6: Final answer
    x = 90,673,225.22

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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.