Home / 118,766,999,929.80-178,150,499,894.70-40,249,780,825.80

Finding the Fourth Proportional to 118,766,999,929.80, 178,150,499,894.70 and 40,249,780,825.80

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Solution

The fourth proportional to 118,766,999,929.80, 178,150,499,894.70 and 40,249,780,825.80 is: 60,374,671,238.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,766,999,929.80 : 178,150,499,894.70 = 40,249,780,825.80 : x
  2. Step 2: Convert to fraction form
    118,766,999,929.80/178,150,499,894.70 = 40,249,780,825.80/x
  3. Step 3: Cross multiply
    118,766,999,929.80x = 178,150,499,894.70 × 40,249,780,825.80
  4. Step 4: Simplify right side
    118,766,999,929.80x = 7,170,518,574,768,382,279,680
  5. Step 5: Solve for x
    x = 7,170,518,574,768,382,279,680/118,766,999,929.80
  6. Step 6: Final answer
    x = 60,374,671,238.70

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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.