Home / 105,018,289.43-144,933,252.12-57,984,430.51

Finding the Fourth Proportional to 105,018,289.43, 144,933,252.12 and 57,984,430.51

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Solution

The fourth proportional to 105,018,289.43, 144,933,252.12 and 57,984,430.51 is: 80,022,938.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,018,289.43 : 144,933,252.12 = 57,984,430.51 : x
  2. Step 2: Convert to fraction form
    105,018,289.43/144,933,252.12 = 57,984,430.51/x
  3. Step 3: Cross multiply
    105,018,289.43x = 144,933,252.12 × 57,984,430.51
  4. Step 4: Simplify right side
    105,018,289.43x = 8,403,872,085,415,785
  5. Step 5: Solve for x
    x = 8,403,872,085,415,785/105,018,289.43
  6. Step 6: Final answer
    x = 80,022,938.20

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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.