Home / 111,019,287.21-166,624,590.18-76,964,547.93

Finding the Fourth Proportional to 111,019,287.21, 166,624,590.18 and 76,964,547.93

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Solution

The fourth proportional to 111,019,287.21, 166,624,590.18 and 76,964,547.93 is: 115,513,138.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,019,287.21 : 166,624,590.18 = 76,964,547.93 : x
  2. Step 2: Convert to fraction form
    111,019,287.21/166,624,590.18 = 76,964,547.93/x
  3. Step 3: Cross multiply
    111,019,287.21x = 166,624,590.18 × 76,964,547.93
  4. Step 4: Simplify right side
    111,019,287.21x = 12,824,186,257,225,220
  5. Step 5: Solve for x
    x = 12,824,186,257,225,220/111,019,287.21
  6. Step 6: Final answer
    x = 115,513,138.12

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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.