Home / 40,166,098,901.10-55,427,552,007.03-21,855,232,182.15

Finding the Fourth Proportional to 40,166,098,901.10, 55,427,552,007.03 and 21,855,232,182.15

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Solution

The fourth proportional to 40,166,098,901.10, 55,427,552,007.03 and 21,855,232,182.15 is: 30,159,314,734.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,166,098,901.10 : 55,427,552,007.03 = 21,855,232,182.15 : x
  2. Step 2: Convert to fraction form
    40,166,098,901.10/55,427,552,007.03 = 21,855,232,182.15/x
  3. Step 3: Cross multiply
    40,166,098,901.10x = 55,427,552,007.03 × 21,855,232,182.15
  4. Step 4: Simplify right side
    40,166,098,901.10x = 1,211,382,018,401,834,893,312
  5. Step 5: Solve for x
    x = 1,211,382,018,401,834,893,312/40,166,098,901.10
  6. Step 6: Final answer
    x = 30,159,314,734.16

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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.