Home / 161,817,374,917.29-223,308,455,146.88-89,564,458,142.01

Finding the Fourth Proportional to 161,817,374,917.29, 223,308,455,146.88 and 89,564,458,142.01

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Solution

The fourth proportional to 161,817,374,917.29, 223,308,455,146.88 and 89,564,458,142.01 is: 123,599,216,672.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,817,374,917.29 : 223,308,455,146.88 = 89,564,458,142.01 : x
  2. Step 2: Convert to fraction form
    161,817,374,917.29/223,308,455,146.88 = 89,564,458,142.01/x
  3. Step 3: Cross multiply
    161,817,374,917.29x = 223,308,455,146.88 × 89,564,458,142.01
  4. Step 4: Simplify right side
    161,817,374,917.29x = 20,000,500,783,759,650,455,552
  5. Step 5: Solve for x
    x = 20,000,500,783,759,650,455,552/161,817,374,917.29
  6. Step 6: Final answer
    x = 123,599,216,672.39

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1.5x scale

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.