Home / 90,488,761,196.69-124,869,875,314.10-49,842,797,686.04

Finding the Fourth Proportional to 90,488,761,196.69, 124,869,875,314.10 and 49,842,797,686.04

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Solution

The fourth proportional to 90,488,761,196.69, 124,869,875,314.10 and 49,842,797,686.04 is: 68,780,518,708.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,488,761,196.69 : 124,869,875,314.10 = 49,842,797,686.04 : x
  2. Step 2: Convert to fraction form
    90,488,761,196.69/124,869,875,314.10 = 49,842,797,686.04/x
  3. Step 3: Cross multiply
    90,488,761,196.69x = 124,869,875,314.10 × 49,842,797,686.04
  4. Step 4: Simplify right side
    90,488,761,196.69x = 6,223,863,932,361,103,114,240
  5. Step 5: Solve for x
    x = 6,223,863,932,361,103,114,240/90,488,761,196.69
  6. Step 6: Final answer
    x = 68,780,518,708.10

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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.