Home / 85,100,676,842.80-127,651,015,264.20-26,205,109,764.40

Finding the Fourth Proportional to 85,100,676,842.80, 127,651,015,264.20 and 26,205,109,764.40

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Solution

The fourth proportional to 85,100,676,842.80, 127,651,015,264.20 and 26,205,109,764.40 is: 39,307,664,646.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,100,676,842.80 : 127,651,015,264.20 = 26,205,109,764.40 : x
  2. Step 2: Convert to fraction form
    85,100,676,842.80/127,651,015,264.20 = 26,205,109,764.40/x
  3. Step 3: Cross multiply
    85,100,676,842.80x = 127,651,015,264.20 × 26,205,109,764.40
  4. Step 4: Simplify right side
    85,100,676,842.80x = 3,345,108,866,535,460,962,304
  5. Step 5: Solve for x
    x = 3,345,108,866,535,460,962,304/85,100,676,842.80
  6. Step 6: Final answer
    x = 39,307,664,646.60

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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.