Home / 255,877,365.78-383,817,173.10-81,001,258.82

Finding the Fourth Proportional to 255,877,365.78, 383,817,173.10 and 81,001,258.82

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Solution

The fourth proportional to 255,877,365.78, 383,817,173.10 and 81,001,258.82 is: 121,502,244.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,877,365.78 : 383,817,173.10 = 81,001,258.82 : x
  2. Step 2: Convert to fraction form
    255,877,365.78/383,817,173.10 = 81,001,258.82/x
  3. Step 3: Cross multiply
    255,877,365.78x = 383,817,173.10 × 81,001,258.82
  4. Step 4: Simplify right side
    255,877,365.78x = 31,089,674,177,833,840
  5. Step 5: Solve for x
    x = 31,089,674,177,833,840/255,877,365.78
  6. Step 6: Final answer
    x = 121,502,244.18

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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.