Home / 124,119,798.29-171,285,313.52-71,939,101.40

Finding the Fourth Proportional to 124,119,798.29, 171,285,313.52 and 71,939,101.40

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Solution

The fourth proportional to 124,119,798.29, 171,285,313.52 and 71,939,101.40 is: 99,275,955.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,119,798.29 : 171,285,313.52 = 71,939,101.40 : x
  2. Step 2: Convert to fraction form
    124,119,798.29/171,285,313.52 = 71,939,101.40/x
  3. Step 3: Cross multiply
    124,119,798.29x = 171,285,313.52 × 71,939,101.40
  4. Step 4: Simplify right side
    124,119,798.29x = 12,322,111,537,984,362
  5. Step 5: Solve for x
    x = 12,322,111,537,984,362/124,119,798.29
  6. Step 6: Final answer
    x = 99,275,955.23

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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.