Home / 90,528,718,672.63-124,932,296,639.65-49,886,248,190.32

Finding the Fourth Proportional to 90,528,718,672.63, 124,932,296,639.65 and 49,886,248,190.32

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Solution

The fourth proportional to 90,528,718,672.63, 124,932,296,639.65 and 49,886,248,190.32 is: 68,844,490,991.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,528,718,672.63 : 124,932,296,639.65 = 49,886,248,190.32 : x
  2. Step 2: Convert to fraction form
    90,528,718,672.63/124,932,296,639.65 = 49,886,248,190.32/x
  3. Step 3: Cross multiply
    90,528,718,672.63x = 124,932,296,639.65 × 49,886,248,190.32
  4. Step 4: Simplify right side
    90,528,718,672.63x = 6,232,403,557,152,760,791,040
  5. Step 5: Solve for x
    x = 6,232,403,557,152,760,791,040/90,528,718,672.63
  6. Step 6: Final answer
    x = 68,844,490,991.75

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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.