Home / 130,431,092.77-179,992,486.56-71,692,502.19

Finding the Fourth Proportional to 130,431,092.77, 179,992,486.56 and 71,692,502.19

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Solution

The fourth proportional to 130,431,092.77, 179,992,486.56 and 71,692,502.19 is: 98,934,322.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,431,092.77 : 179,992,486.56 = 71,692,502.19 : x
  2. Step 2: Convert to fraction form
    130,431,092.77/179,992,486.56 = 71,692,502.19/x
  3. Step 3: Cross multiply
    130,431,092.77x = 179,992,486.56 × 71,692,502.19
  4. Step 4: Simplify right side
    130,431,092.77x = 12,904,111,736,886,346
  5. Step 5: Solve for x
    x = 12,904,111,736,886,346/130,431,092.77
  6. Step 6: Final answer
    x = 98,934,322.05

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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.