Home / 208,137,196,300.21-311,985,445,555.98-70,010,463,582.30

Finding the Fourth Proportional to 208,137,196,300.21, 311,985,445,555.98 and 70,010,463,582.30

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Solution

The fourth proportional to 208,137,196,300.21, 311,985,445,555.98 and 70,010,463,582.30 is: 104,941,577,298.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,137,196,300.21 : 311,985,445,555.98 = 70,010,463,582.30 : x
  2. Step 2: Convert to fraction form
    208,137,196,300.21/311,985,445,555.98 = 70,010,463,582.30/x
  3. Step 3: Cross multiply
    208,137,196,300.21x = 311,985,445,555.98 × 70,010,463,582.30
  4. Step 4: Simplify right side
    208,137,196,300.21x = 21,842,245,674,304,576,421,888
  5. Step 5: Solve for x
    x = 21,842,245,674,304,576,421,888/208,137,196,300.21
  6. Step 6: Final answer
    x = 104,941,577,298.85

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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.