Home / 208,645,851.30-312,968,776.95-131,047,592.10

Finding the Fourth Proportional to 208,645,851.30, 312,968,776.95 and 131,047,592.10

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Solution

The fourth proportional to 208,645,851.30, 312,968,776.95 and 131,047,592.10 is: 196,571,388.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,645,851.30 : 312,968,776.95 = 131,047,592.10 : x
  2. Step 2: Convert to fraction form
    208,645,851.30/312,968,776.95 = 131,047,592.10/x
  3. Step 3: Cross multiply
    208,645,851.30x = 312,968,776.95 × 131,047,592.10
  4. Step 4: Simplify right side
    208,645,851.30x = 41,013,804,621,779,480
  5. Step 5: Solve for x
    x = 41,013,804,621,779,480/208,645,851.30
  6. Step 6: Final answer
    x = 196,571,388.15

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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.