Home / 438,717,009.77-658,068,871.70-106,727,145.68

Finding the Fourth Proportional to 438,717,009.77, 658,068,871.70 and 106,727,145.68

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Solution

The fourth proportional to 438,717,009.77, 658,068,871.70 and 106,727,145.68 is: 160,089,102.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,717,009.77 : 658,068,871.70 = 106,727,145.68 : x
  2. Step 2: Convert to fraction form
    438,717,009.77/658,068,871.70 = 106,727,145.68/x
  3. Step 3: Cross multiply
    438,717,009.77x = 658,068,871.70 × 106,727,145.68
  4. Step 4: Simplify right side
    438,717,009.77x = 70,233,812,333,575,152
  5. Step 5: Solve for x
    x = 70,233,812,333,575,152/438,717,009.77
  6. Step 6: Final answer
    x = 160,089,102.47

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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.