Home / 47,983,183,795.06-66,184,909,905.15-30,857,688,681.69

Finding the Fourth Proportional to 47,983,183,795.06, 66,184,909,905.15 and 30,857,688,681.69

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Solution

The fourth proportional to 47,983,183,795.06, 66,184,909,905.15 and 30,857,688,681.69 is: 42,563,106,149.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,983,183,795.06 : 66,184,909,905.15 = 30,857,688,681.69 : x
  2. Step 2: Convert to fraction form
    47,983,183,795.06/66,184,909,905.15 = 30,857,688,681.69/x
  3. Step 3: Cross multiply
    47,983,183,795.06x = 66,184,909,905.15 × 30,857,688,681.69
  4. Step 4: Simplify right side
    47,983,183,795.06x = 2,042,313,345,279,084,199,936
  5. Step 5: Solve for x
    x = 2,042,313,345,279,084,199,936/47,983,183,795.06
  6. Step 6: Final answer
    x = 42,563,106,149.90

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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.