Home / 143,362,369,036.80-197,840,088,641.65-79,133,105,466.18

Finding the Fourth Proportional to 143,362,369,036.80, 197,840,088,641.65 and 79,133,105,466.18

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Solution

The fourth proportional to 143,362,369,036.80, 197,840,088,641.65 and 79,133,105,466.18 is: 109,203,696,235.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,362,369,036.80 : 197,840,088,641.65 = 79,133,105,466.18 : x
  2. Step 2: Convert to fraction form
    143,362,369,036.80/197,840,088,641.65 = 79,133,105,466.18/x
  3. Step 3: Cross multiply
    143,362,369,036.80x = 197,840,088,641.65 × 79,133,105,466.18
  4. Step 4: Simplify right side
    143,362,369,036.80x = 15,655,700,599,918,087,372,800
  5. Step 5: Solve for x
    x = 15,655,700,599,918,087,372,800/143,362,369,036.80
  6. Step 6: Final answer
    x = 109,203,696,235.65

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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.