Home / 67,343,384.40-92,926,935.32-49,711,667.28

Finding the Fourth Proportional to 67,343,384.40, 92,926,935.32 and 49,711,667.28

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Solution

The fourth proportional to 67,343,384.40, 92,926,935.32 and 49,711,667.28 is: 68,596,981.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,343,384.40 : 92,926,935.32 = 49,711,667.28 : x
  2. Step 2: Convert to fraction form
    67,343,384.40/92,926,935.32 = 49,711,667.28/x
  3. Step 3: Cross multiply
    67,343,384.40x = 92,926,935.32 × 49,711,667.28
  4. Step 4: Simplify right side
    67,343,384.40x = 4,619,552,889,977,920
  5. Step 5: Solve for x
    x = 4,619,552,889,977,920/67,343,384.40
  6. Step 6: Final answer
    x = 68,596,981.44

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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.