Home / 99,804,021,841.70-137,777,042,587.65-66,863,828,432.36

Finding the Fourth Proportional to 99,804,021,841.70, 137,777,042,587.65 and 66,863,828,432.36

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Solution

The fourth proportional to 99,804,021,841.70, 137,777,042,587.65 and 66,863,828,432.36 is: 92,303,900,859.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,804,021,841.70 : 137,777,042,587.65 = 66,863,828,432.36 : x
  2. Step 2: Convert to fraction form
    99,804,021,841.70/137,777,042,587.65 = 66,863,828,432.36/x
  3. Step 3: Cross multiply
    99,804,021,841.70x = 137,777,042,587.65 × 66,863,828,432.36
  4. Step 4: Simplify right side
    99,804,021,841.70x = 9,212,300,537,498,723,942,400
  5. Step 5: Solve for x
    x = 9,212,300,537,498,723,942,400/99,804,021,841.70
  6. Step 6: Final answer
    x = 92,303,900,859.93

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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.