Home / 90,488,761,195.19-124,869,875,312.03-49,842,797,684.54

Finding the Fourth Proportional to 90,488,761,195.19, 124,869,875,312.03 and 49,842,797,684.54

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Solution

The fourth proportional to 90,488,761,195.19, 124,869,875,312.03 and 49,842,797,684.54 is: 68,780,518,706.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,488,761,195.19 : 124,869,875,312.03 = 49,842,797,684.54 : x
  2. Step 2: Convert to fraction form
    90,488,761,195.19/124,869,875,312.03 = 49,842,797,684.54/x
  3. Step 3: Cross multiply
    90,488,761,195.19x = 124,869,875,312.03 × 49,842,797,684.54
  4. Step 4: Simplify right side
    90,488,761,195.19x = 6,223,863,932,070,623,444,992
  5. Step 5: Solve for x
    x = 6,223,863,932,070,623,444,992/90,488,761,195.19
  6. Step 6: Final answer
    x = 68,780,518,706.03

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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.