Home / 153,485,047,782.55-211,795,151,707.33-84,894,984,655.86

Finding the Fourth Proportional to 153,485,047,782.55, 211,795,151,707.33 and 84,894,984,655.86

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Solution

The fourth proportional to 153,485,047,782.55, 211,795,151,707.33 and 84,894,984,655.86 is: 117,147,216,710.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,485,047,782.55 : 211,795,151,707.33 = 84,894,984,655.86 : x
  2. Step 2: Convert to fraction form
    153,485,047,782.55/211,795,151,707.33 = 84,894,984,655.86/x
  3. Step 3: Cross multiply
    153,485,047,782.55x = 211,795,151,707.33 × 84,894,984,655.86
  4. Step 4: Simplify right side
    153,485,047,782.55x = 17,980,346,154,379,319,967,744
  5. Step 5: Solve for x
    x = 17,980,346,154,379,319,967,744/153,485,047,782.55
  6. Step 6: Final answer
    x = 117,147,216,710.34

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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.