Home / 130,431,091.77-179,992,485.18-71,692,501.19

Finding the Fourth Proportional to 130,431,091.77, 179,992,485.18 and 71,692,501.19

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Solution

The fourth proportional to 130,431,091.77, 179,992,485.18 and 71,692,501.19 is: 98,934,320.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,431,091.77 : 179,992,485.18 = 71,692,501.19 : x
  2. Step 2: Convert to fraction form
    130,431,091.77/179,992,485.18 = 71,692,501.19/x
  3. Step 3: Cross multiply
    130,431,091.77x = 179,992,485.18 × 71,692,501.19
  4. Step 4: Simplify right side
    130,431,091.77x = 12,904,111,457,058,246
  5. Step 5: Solve for x
    x = 12,904,111,457,058,246/130,431,091.77
  6. Step 6: Final answer
    x = 98,934,320.66

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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.