Home / 153,485,047,783.05-211,795,151,708.02-84,894,984,656.36

Finding the Fourth Proportional to 153,485,047,783.05, 211,795,151,708.02 and 84,894,984,656.36

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Solution

The fourth proportional to 153,485,047,783.05, 211,795,151,708.02 and 84,894,984,656.36 is: 117,147,216,711.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,485,047,783.05 : 211,795,151,708.02 = 84,894,984,656.36 : x
  2. Step 2: Convert to fraction form
    153,485,047,783.05/211,795,151,708.02 = 84,894,984,656.36/x
  3. Step 3: Cross multiply
    153,485,047,783.05x = 211,795,151,708.02 × 84,894,984,656.36
  4. Step 4: Simplify right side
    153,485,047,783.05x = 17,980,346,154,543,795,404,800
  5. Step 5: Solve for x
    x = 17,980,346,154,543,795,404,800/153,485,047,783.05
  6. Step 6: Final answer
    x = 117,147,216,711.03

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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.