Home / 168,421,127.20-252,631,690.80-103,514,466.40

Finding the Fourth Proportional to 168,421,127.20, 252,631,690.80 and 103,514,466.40

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Solution

The fourth proportional to 168,421,127.20, 252,631,690.80 and 103,514,466.40 is: 155,271,699.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,421,127.20 : 252,631,690.80 = 103,514,466.40 : x
  2. Step 2: Convert to fraction form
    168,421,127.20/252,631,690.80 = 103,514,466.40/x
  3. Step 3: Cross multiply
    168,421,127.20x = 252,631,690.80 × 103,514,466.40
  4. Step 4: Simplify right side
    168,421,127.20x = 26,151,034,668,891,792
  5. Step 5: Solve for x
    x = 26,151,034,668,891,792/168,421,127.20
  6. Step 6: Final answer
    x = 155,271,699.60

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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.