Home / 85,762,048,715.15-128,638,417,634.05-26,066,056,684.84

Finding the Fourth Proportional to 85,762,048,715.15, 128,638,417,634.05 and 26,066,056,684.84

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Solution

The fourth proportional to 85,762,048,715.15, 128,638,417,634.05 and 26,066,056,684.84 is: 39,097,670,078.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,762,048,715.15 : 128,638,417,634.05 = 26,066,056,684.84 : x
  2. Step 2: Convert to fraction form
    85,762,048,715.15/128,638,417,634.05 = 26,066,056,684.84/x
  3. Step 3: Cross multiply
    85,762,048,715.15x = 128,638,417,634.05 × 26,066,056,684.84
  4. Step 4: Simplify right side
    85,762,048,715.15x = 3,353,096,285,897,011,757,056
  5. Step 5: Solve for x
    x = 3,353,096,285,897,011,757,056/85,762,048,715.15
  6. Step 6: Final answer
    x = 39,097,670,078.22

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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.