Home / 86,873,873,746.41-130,307,263,830.42-30,226,702,231.53

Finding the Fourth Proportional to 86,873,873,746.41, 130,307,263,830.42 and 30,226,702,231.53

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Solution

The fourth proportional to 86,873,873,746.41, 130,307,263,830.42 and 30,226,702,231.53 is: 45,338,819,285.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,873,873,746.41 : 130,307,263,830.42 = 30,226,702,231.53 : x
  2. Step 2: Convert to fraction form
    86,873,873,746.41/130,307,263,830.42 = 30,226,702,231.53/x
  3. Step 3: Cross multiply
    86,873,873,746.41x = 130,307,263,830.42 × 30,226,702,231.53
  4. Step 4: Simplify right side
    86,873,873,746.41x = 3,938,758,862,407,524,679,680
  5. Step 5: Solve for x
    x = 3,938,758,862,407,524,679,680/86,873,873,746.41
  6. Step 6: Final answer
    x = 45,338,819,285.36

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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.