Home / 336,870,986.20-505,354,681.43-103,721,425.22

Finding the Fourth Proportional to 336,870,986.20, 505,354,681.43 and 103,721,425.22

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Solution

The fourth proportional to 336,870,986.20, 505,354,681.43 and 103,721,425.22 is: 155,596,979.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,870,986.20 : 505,354,681.43 = 103,721,425.22 : x
  2. Step 2: Convert to fraction form
    336,870,986.20/505,354,681.43 = 103,721,425.22/x
  3. Step 3: Cross multiply
    336,870,986.20x = 505,354,681.43 × 103,721,425.22
  4. Step 4: Simplify right side
    336,870,986.20x = 52,416,107,799,518,664
  5. Step 5: Solve for x
    x = 52,416,107,799,518,664/336,870,986.20
  6. Step 6: Final answer
    x = 155,596,979.10

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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.