Home / 153,070,756.58-211,255,577.43-87,001,186.27

Finding the Fourth Proportional to 153,070,756.58, 211,255,577.43 and 87,001,186.27

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Solution

The fourth proportional to 153,070,756.58, 211,255,577.43 and 87,001,186.27 is: 120,071,829.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,070,756.58 : 211,255,577.43 = 87,001,186.27 : x
  2. Step 2: Convert to fraction form
    153,070,756.58/211,255,577.43 = 87,001,186.27/x
  3. Step 3: Cross multiply
    153,070,756.58x = 211,255,577.43 × 87,001,186.27
  4. Step 4: Simplify right side
    153,070,756.58x = 18,379,485,842,594,496
  5. Step 5: Solve for x
    x = 18,379,485,842,594,496/153,070,756.58
  6. Step 6: Final answer
    x = 120,071,829.88

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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.