Home / 206,460,779,137.53-284,878,052,810.96-115,007,054,063.92

Finding the Fourth Proportional to 206,460,779,137.53, 284,878,052,810.96 and 115,007,054,063.92

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Solution

The fourth proportional to 206,460,779,137.53, 284,878,052,810.96 and 115,007,054,063.92 is: 158,688,665,993.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,460,779,137.53 : 284,878,052,810.96 = 115,007,054,063.92 : x
  2. Step 2: Convert to fraction form
    206,460,779,137.53/284,878,052,810.96 = 115,007,054,063.92/x
  3. Step 3: Cross multiply
    206,460,779,137.53x = 284,878,052,810.96 × 115,007,054,063.92
  4. Step 4: Simplify right side
    206,460,779,137.53x = 32,762,985,621,254,337,200,128
  5. Step 5: Solve for x
    x = 32,762,985,621,254,337,200,128/206,460,779,137.53
  6. Step 6: Final answer
    x = 158,688,665,993.22

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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.