Home / 243,888,549,013.72-365,707,212,125.72-109,467,803,561.95

Finding the Fourth Proportional to 243,888,549,013.72, 365,707,212,125.72 and 109,467,803,561.95

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Solution

The fourth proportional to 243,888,549,013.72, 365,707,212,125.72 and 109,467,803,561.95 is: 164,145,325,477.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,888,549,013.72 : 365,707,212,125.72 = 109,467,803,561.95 : x
  2. Step 2: Convert to fraction form
    243,888,549,013.72/365,707,212,125.72 = 109,467,803,561.95/x
  3. Step 3: Cross multiply
    243,888,549,013.72x = 365,707,212,125.72 × 109,467,803,561.95
  4. Step 4: Simplify right side
    243,888,549,013.72x = 40,033,165,258,166,695,362,560
  5. Step 5: Solve for x
    x = 40,033,165,258,166,695,362,560/243,888,549,013.72
  6. Step 6: Final answer
    x = 164,145,325,477.81

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1.5x scale

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.