Home / 143,362,369,054.30-197,840,088,665.86-79,133,105,483.68

Finding the Fourth Proportional to 143,362,369,054.30, 197,840,088,665.86 and 79,133,105,483.68

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Solution

The fourth proportional to 143,362,369,054.30, 197,840,088,665.86 and 79,133,105,483.68 is: 109,203,696,259.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,362,369,054.30 : 197,840,088,665.86 = 79,133,105,483.68 : x
  2. Step 2: Convert to fraction form
    143,362,369,054.30/197,840,088,665.86 = 79,133,105,483.68/x
  3. Step 3: Cross multiply
    143,362,369,054.30x = 197,840,088,665.86 × 79,133,105,483.68
  4. Step 4: Simplify right side
    143,362,369,054.30x = 15,655,700,605,296,101,556,224
  5. Step 5: Solve for x
    x = 15,655,700,605,296,101,556,224/143,362,369,054.30
  6. Step 6: Final answer
    x = 109,203,696,259.84

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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.