Home / 85,100,580,804.10-127,650,871,206.15-51,578,132,829.70

Finding the Fourth Proportional to 85,100,580,804.10, 127,650,871,206.15 and 51,578,132,829.70

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Solution

The fourth proportional to 85,100,580,804.10, 127,650,871,206.15 and 51,578,132,829.70 is: 77,367,199,244.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,100,580,804.10 : 127,650,871,206.15 = 51,578,132,829.70 : x
  2. Step 2: Convert to fraction form
    85,100,580,804.10/127,650,871,206.15 = 51,578,132,829.70/x
  3. Step 3: Cross multiply
    85,100,580,804.10x = 127,650,871,206.15 × 51,578,132,829.70
  4. Step 4: Simplify right side
    85,100,580,804.10x = 6,583,993,590,897,731,174,400
  5. Step 5: Solve for x
    x = 6,583,993,590,897,731,174,400/85,100,580,804.10
  6. Step 6: Final answer
    x = 77,367,199,244.55

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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.