Home / 54,329,443,070.40-81,445,697,186.40-21,197,285,366.40

Finding the Fourth Proportional to 54,329,443,070.40, 81,445,697,186.40 and 21,197,285,366.40

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Solution

The fourth proportional to 54,329,443,070.40, 81,445,697,186.40 and 21,197,285,366.40 is: 31,777,017,903.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,329,443,070.40 : 81,445,697,186.40 = 21,197,285,366.40 : x
  2. Step 2: Convert to fraction form
    54,329,443,070.40/81,445,697,186.40 = 21,197,285,366.40/x
  3. Step 3: Cross multiply
    54,329,443,070.40x = 81,445,697,186.40 × 21,197,285,366.40
  4. Step 4: Simplify right side
    54,329,443,070.40x = 1,726,427,685,125,522,456,576
  5. Step 5: Solve for x
    x = 1,726,427,685,125,522,456,576/54,329,443,070.40
  6. Step 6: Final answer
    x = 31,777,017,903.32

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1.5x scale

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.