Home / 141,762,637.38-195,632,518.06-76,572,541.38

Finding the Fourth Proportional to 141,762,637.38, 195,632,518.06 and 76,572,541.38

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Solution

The fourth proportional to 141,762,637.38, 195,632,518.06 and 76,572,541.38 is: 105,670,149.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,762,637.38 : 195,632,518.06 = 76,572,541.38 : x
  2. Step 2: Convert to fraction form
    141,762,637.38/195,632,518.06 = 76,572,541.38/x
  3. Step 3: Cross multiply
    141,762,637.38x = 195,632,518.06 × 76,572,541.38
  4. Step 4: Simplify right side
    141,762,637.38x = 14,980,079,083,444,784
  5. Step 5: Solve for x
    x = 14,980,079,083,444,784/141,762,637.38
  6. Step 6: Final answer
    x = 105,670,149.49

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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.