Home / 31,812,071,337.14-47,718,081,802.83-8,547,710,121.14

Finding the Fourth Proportional to 31,812,071,337.14, 47,718,081,802.83 and 8,547,710,121.14

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Solution

The fourth proportional to 31,812,071,337.14, 47,718,081,802.83 and 8,547,710,121.14 is: 12,821,558,409.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,812,071,337.14 : 47,718,081,802.83 = 8,547,710,121.14 : x
  2. Step 2: Convert to fraction form
    31,812,071,337.14/47,718,081,802.83 = 8,547,710,121.14/x
  3. Step 3: Cross multiply
    31,812,071,337.14x = 47,718,081,802.83 × 8,547,710,121.14
  4. Step 4: Simplify right side
    31,812,071,337.14x = 407,880,330,787,436,494,848
  5. Step 5: Solve for x
    x = 407,880,330,787,436,494,848/31,812,071,337.14
  6. Step 6: Final answer
    x = 12,821,558,409.85

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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.