Home / 99,804,021,885.57-137,777,042,648.21-66,863,828,476.24

Finding the Fourth Proportional to 99,804,021,885.57, 137,777,042,648.21 and 66,863,828,476.24

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Solution

The fourth proportional to 99,804,021,885.57, 137,777,042,648.21 and 66,863,828,476.24 is: 92,303,900,920.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,804,021,885.57 : 137,777,042,648.21 = 66,863,828,476.24 : x
  2. Step 2: Convert to fraction form
    99,804,021,885.57/137,777,042,648.21 = 66,863,828,476.24/x
  3. Step 3: Cross multiply
    99,804,021,885.57x = 137,777,042,648.21 × 66,863,828,476.24
  4. Step 4: Simplify right side
    99,804,021,885.57x = 9,212,300,547,593,102,950,400
  5. Step 5: Solve for x
    x = 9,212,300,547,593,102,950,400/99,804,021,885.57
  6. Step 6: Final answer
    x = 92,303,900,920.50

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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.