Home / 21,661,051,183.57-29,881,249,378.95-14,147,070,657.49

Finding the Fourth Proportional to 21,661,051,183.57, 29,881,249,378.95 and 14,147,070,657.49

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Solution

The fourth proportional to 21,661,051,183.57, 29,881,249,378.95 and 14,147,070,657.49 is: 19,515,772,467.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,661,051,183.57 : 29,881,249,378.95 = 14,147,070,657.49 : x
  2. Step 2: Convert to fraction form
    21,661,051,183.57/29,881,249,378.95 = 14,147,070,657.49/x
  3. Step 3: Cross multiply
    21,661,051,183.57x = 29,881,249,378.95 × 14,147,070,657.49
  4. Step 4: Simplify right side
    21,661,051,183.57x = 422,732,146,298,084,851,712
  5. Step 5: Solve for x
    x = 422,732,146,298,084,851,712/21,661,051,183.57
  6. Step 6: Final answer
    x = 19,515,772,467.16

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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.