Home / 122,737,380.96-169,381,547.64-69,812,727.60

Finding the Fourth Proportional to 122,737,380.96, 169,381,547.64 and 69,812,727.60

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Solution

The fourth proportional to 122,737,380.96, 169,381,547.64 and 69,812,727.60 is: 96,343,817.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,737,380.96 : 169,381,547.64 = 69,812,727.60 : x
  2. Step 2: Convert to fraction form
    122,737,380.96/169,381,547.64 = 69,812,727.60/x
  3. Step 3: Cross multiply
    122,737,380.96x = 169,381,547.64 × 69,812,727.60
  4. Step 4: Simplify right side
    122,737,380.96x = 11,824,987,845,857,740
  5. Step 5: Solve for x
    x = 11,824,987,845,857,740/122,737,380.96
  6. Step 6: Final answer
    x = 96,343,817.62

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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.