Home / 77,262,576,530.40-115,893,864,795.60-66,242,615,954.40

Finding the Fourth Proportional to 77,262,576,530.40, 115,893,864,795.60 and 66,242,615,954.40

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Solution

The fourth proportional to 77,262,576,530.40, 115,893,864,795.60 and 66,242,615,954.40 is: 99,363,923,931.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,262,576,530.40 : 115,893,864,795.60 = 66,242,615,954.40 : x
  2. Step 2: Convert to fraction form
    77,262,576,530.40/115,893,864,795.60 = 66,242,615,954.40/x
  3. Step 3: Cross multiply
    77,262,576,530.40x = 115,893,864,795.60 × 66,242,615,954.40
  4. Step 4: Simplify right side
    77,262,576,530.40x = 7,677,112,777,126,089,588,736
  5. Step 5: Solve for x
    x = 7,677,112,777,126,089,588,736/77,262,576,530.40
  6. Step 6: Final answer
    x = 99,363,923,931.60

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1.5x scale

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.