Home / 131,762,319.71-181,832,018.13-73,028,776.64

Finding the Fourth Proportional to 131,762,319.71, 181,832,018.13 and 73,028,776.64

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Solution

The fourth proportional to 131,762,319.71, 181,832,018.13 and 73,028,776.64 is: 100,779,721.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,762,319.71 : 181,832,018.13 = 73,028,776.64 : x
  2. Step 2: Convert to fraction form
    131,762,319.71/181,832,018.13 = 73,028,776.64/x
  3. Step 3: Cross multiply
    131,762,319.71x = 181,832,018.13 × 73,028,776.64
  4. Step 4: Simplify right side
    131,762,319.71x = 13,278,969,837,107,042
  5. Step 5: Solve for x
    x = 13,278,969,837,107,042/131,762,319.71
  6. Step 6: Final answer
    x = 100,779,721.14

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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.