Home / 165,402,290.90-248,103,436.35-157,466,105.30

Finding the Fourth Proportional to 165,402,290.90, 248,103,436.35 and 157,466,105.30

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Solution

The fourth proportional to 165,402,290.90, 248,103,436.35 and 157,466,105.30 is: 236,199,157.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,402,290.90 : 248,103,436.35 = 157,466,105.30 : x
  2. Step 2: Convert to fraction form
    165,402,290.90/248,103,436.35 = 157,466,105.30/x
  3. Step 3: Cross multiply
    165,402,290.90x = 248,103,436.35 × 157,466,105.30
  4. Step 4: Simplify right side
    165,402,290.90x = 39,067,881,833,580,952
  5. Step 5: Solve for x
    x = 39,067,881,833,580,952/165,402,290.90
  6. Step 6: Final answer
    x = 236,199,157.95

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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.