Home / 208,137,196,678.93-311,985,446,109.15-70,010,463,953.76

Finding the Fourth Proportional to 208,137,196,678.93, 311,985,446,109.15 and 70,010,463,953.76

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Solution

The fourth proportional to 208,137,196,678.93, 311,985,446,109.15 and 70,010,463,953.76 is: 104,941,577,850.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,137,196,678.93 : 311,985,446,109.15 = 70,010,463,953.76 : x
  2. Step 2: Convert to fraction form
    208,137,196,678.93/311,985,446,109.15 = 70,010,463,953.76/x
  3. Step 3: Cross multiply
    208,137,196,678.93x = 311,985,446,109.15 × 70,010,463,953.76
  4. Step 4: Simplify right side
    208,137,196,678.93x = 21,842,245,828,922,379,862,016
  5. Step 5: Solve for x
    x = 21,842,245,828,922,379,862,016/208,137,196,678.93
  6. Step 6: Final answer
    x = 104,941,577,850.77

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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.