Home / 119,873,487.36-165,425,413.20-64,869,344.40

Finding the Fourth Proportional to 119,873,487.36, 165,425,413.20 and 64,869,344.40

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Solution

The fourth proportional to 119,873,487.36, 165,425,413.20 and 64,869,344.40 is: 89,519,695.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,873,487.36 : 165,425,413.20 = 64,869,344.40 : x
  2. Step 2: Convert to fraction form
    119,873,487.36/165,425,413.20 = 64,869,344.40/x
  3. Step 3: Cross multiply
    119,873,487.36x = 165,425,413.20 × 64,869,344.40
  4. Step 4: Simplify right side
    119,873,487.36x = 10,731,038,101,383,106
  5. Step 5: Solve for x
    x = 10,731,038,101,383,106/119,873,487.36
  6. Step 6: Final answer
    x = 89,519,695.62

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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.