Home / 199,154,587,521.35-274,834,158,817.95-107,703,138,339.74

Finding the Fourth Proportional to 199,154,587,521.35, 274,834,158,817.95 and 107,703,138,339.74

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Solution

The fourth proportional to 199,154,587,521.35, 274,834,158,817.95 and 107,703,138,339.74 is: 148,630,778,713.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,154,587,521.35 : 274,834,158,817.95 = 107,703,138,339.74 : x
  2. Step 2: Convert to fraction form
    199,154,587,521.35/274,834,158,817.95 = 107,703,138,339.74/x
  3. Step 3: Cross multiply
    199,154,587,521.35x = 274,834,158,817.95 × 107,703,138,339.74
  4. Step 4: Simplify right side
    199,154,587,521.35x = 29,600,501,427,655,745,208,320
  5. Step 5: Solve for x
    x = 29,600,501,427,655,745,208,320/199,154,587,521.35
  6. Step 6: Final answer
    x = 148,630,778,713.46

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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.