Home / 206,460,779,139.53-284,878,052,813.72-115,007,054,065.92

Finding the Fourth Proportional to 206,460,779,139.53, 284,878,052,813.72 and 115,007,054,065.92

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Solution

The fourth proportional to 206,460,779,139.53, 284,878,052,813.72 and 115,007,054,065.92 is: 158,688,665,995.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,460,779,139.53 : 284,878,052,813.72 = 115,007,054,065.92 : x
  2. Step 2: Convert to fraction form
    206,460,779,139.53/284,878,052,813.72 = 115,007,054,065.92/x
  3. Step 3: Cross multiply
    206,460,779,139.53x = 284,878,052,813.72 × 115,007,054,065.92
  4. Step 4: Simplify right side
    206,460,779,139.53x = 32,762,985,622,141,503,799,296
  5. Step 5: Solve for x
    x = 32,762,985,622,141,503,799,296/206,460,779,139.53
  6. Step 6: Final answer
    x = 158,688,665,995.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.