Home / 213,454,731,104.86-320,170,820,040.72-70,014,864,925.58

Finding the Fourth Proportional to 213,454,731,104.86, 320,170,820,040.72 and 70,014,864,925.58

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Solution

The fourth proportional to 213,454,731,104.86, 320,170,820,040.72 and 70,014,864,925.58 is: 105,018,598,567.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,454,731,104.86 : 320,170,820,040.72 = 70,014,864,925.58 : x
  2. Step 2: Convert to fraction form
    213,454,731,104.86/320,170,820,040.72 = 70,014,864,925.58/x
  3. Step 3: Cross multiply
    213,454,731,104.86x = 320,170,820,040.72 × 70,014,864,925.58
  4. Step 4: Simplify right side
    213,454,731,104.86x = 22,416,716,718,263,190,421,504
  5. Step 5: Solve for x
    x = 22,416,716,718,263,190,421,504/213,454,731,104.86
  6. Step 6: Final answer
    x = 105,018,598,567.63

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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.