Home / 68,349,772.50-102,513,094.92-19,154,303.43

Finding the Fourth Proportional to 68,349,772.50, 102,513,094.92 and 19,154,303.43

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Solution

The fourth proportional to 68,349,772.50, 102,513,094.92 and 19,154,303.43 is: 28,728,214.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,349,772.50 : 102,513,094.92 = 19,154,303.43 : x
  2. Step 2: Convert to fraction form
    68,349,772.50/102,513,094.92 = 19,154,303.43/x
  3. Step 3: Cross multiply
    68,349,772.50x = 102,513,094.92 × 19,154,303.43
  4. Step 4: Simplify right side
    68,349,772.50x = 1,963,566,925,646,071.50
  5. Step 5: Solve for x
    x = 1,963,566,925,646,071.50/68,349,772.50
  6. Step 6: Final answer
    x = 28,728,214.50

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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.