Home / 130,160,945.67-179,621,612.28-71,424,593.71

Finding the Fourth Proportional to 130,160,945.67, 179,621,612.28 and 71,424,593.71

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Solution

The fourth proportional to 130,160,945.67, 179,621,612.28 and 71,424,593.71 is: 98,565,668.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,160,945.67 : 179,621,612.28 = 71,424,593.71 : x
  2. Step 2: Convert to fraction form
    130,160,945.67/179,621,612.28 = 71,424,593.71/x
  3. Step 3: Cross multiply
    130,160,945.67x = 179,621,612.28 × 71,424,593.71
  4. Step 4: Simplify right side
    130,160,945.67x = 12,829,400,678,634,146
  5. Step 5: Solve for x
    x = 12,829,400,678,634,146/130,160,945.67
  6. Step 6: Final answer
    x = 98,565,668.93

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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.