Home / 90,567,009,896.35-124,988,065,515.70-49,921,829,837.75

Finding the Fourth Proportional to 90,567,009,896.35, 124,988,065,515.70 and 49,921,829,837.75

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Solution

The fourth proportional to 90,567,009,896.35, 124,988,065,515.70 and 49,921,829,837.75 is: 68,895,207,488.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,567,009,896.35 : 124,988,065,515.70 = 49,921,829,837.75 : x
  2. Step 2: Convert to fraction form
    90,567,009,896.35/124,988,065,515.70 = 49,921,829,837.75/x
  3. Step 3: Cross multiply
    90,567,009,896.35x = 124,988,065,515.70 × 49,921,829,837.75
  4. Step 4: Simplify right side
    90,567,009,896.35x = 6,239,632,938,424,323,801,088
  5. Step 5: Solve for x
    x = 6,239,632,938,424,323,801,088/90,567,009,896.35
  6. Step 6: Final answer
    x = 68,895,207,488.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.