Home / 248,060,587.74-342,320,269.59-138,052,271.58

Finding the Fourth Proportional to 248,060,587.74, 342,320,269.59 and 138,052,271.58

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Solution

The fourth proportional to 248,060,587.74, 342,320,269.59 and 138,052,271.58 is: 190,510,275.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,060,587.74 : 342,320,269.59 = 138,052,271.58 : x
  2. Step 2: Convert to fraction form
    248,060,587.74/342,320,269.59 = 138,052,271.58/x
  3. Step 3: Cross multiply
    248,060,587.74x = 342,320,269.59 × 138,052,271.58
  4. Step 4: Simplify right side
    248,060,587.74x = 47,258,090,824,777,496
  5. Step 5: Solve for x
    x = 47,258,090,824,777,496/248,060,587.74
  6. Step 6: Final answer
    x = 190,510,275.15

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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.