Home / 157,717,541.41-217,649,668.70-87,151,186.01

Finding the Fourth Proportional to 157,717,541.41, 217,649,668.70 and 87,151,186.01

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Solution

The fourth proportional to 157,717,541.41, 217,649,668.70 and 87,151,186.01 is: 120,268,339.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,717,541.41 : 217,649,668.70 = 87,151,186.01 : x
  2. Step 2: Convert to fraction form
    157,717,541.41/217,649,668.70 = 87,151,186.01/x
  3. Step 3: Cross multiply
    157,717,541.41x = 217,649,668.70 × 87,151,186.01
  4. Step 4: Simplify right side
    157,717,541.41x = 18,968,426,762,650,576
  5. Step 5: Solve for x
    x = 18,968,426,762,650,576/157,717,541.41
  6. Step 6: Final answer
    x = 120,268,339.17

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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.