Home / 163,688,020,002.30-245,532,030,003.45-79,895,504,955.90

Finding the Fourth Proportional to 163,688,020,002.30, 245,532,030,003.45 and 79,895,504,955.90

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Solution

The fourth proportional to 163,688,020,002.30, 245,532,030,003.45 and 79,895,504,955.90 is: 119,843,257,433.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,688,020,002.30 : 245,532,030,003.45 = 79,895,504,955.90 : x
  2. Step 2: Convert to fraction form
    163,688,020,002.30/245,532,030,003.45 = 79,895,504,955.90/x
  3. Step 3: Cross multiply
    163,688,020,002.30x = 245,532,030,003.45 × 79,895,504,955.90
  4. Step 4: Simplify right side
    163,688,020,002.30x = 19,616,905,519,972,824,907,776
  5. Step 5: Solve for x
    x = 19,616,905,519,972,824,907,776/163,688,020,002.30
  6. Step 6: Final answer
    x = 119,843,257,433.85

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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.