Home / 161,640,004.80-242,460,007.20-97,016,779.20

Finding the Fourth Proportional to 161,640,004.80, 242,460,007.20 and 97,016,779.20

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Solution

The fourth proportional to 161,640,004.80, 242,460,007.20 and 97,016,779.20 is: 145,525,168.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,640,004.80 : 242,460,007.20 = 97,016,779.20 : x
  2. Step 2: Convert to fraction form
    161,640,004.80/242,460,007.20 = 97,016,779.20/x
  3. Step 3: Cross multiply
    161,640,004.80x = 242,460,007.20 × 97,016,779.20
  4. Step 4: Simplify right side
    161,640,004.80x = 23,522,688,983,352,808
  5. Step 5: Solve for x
    x = 23,522,688,983,352,808/161,640,004.80
  6. Step 6: Final answer
    x = 145,525,168.80

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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.