Home / 105,326,929.68-145,287,606.48-69,563,589.36

Finding the Fourth Proportional to 105,326,929.68, 145,287,606.48 and 69,563,589.36

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Solution

The fourth proportional to 105,326,929.68, 145,287,606.48 and 69,563,589.36 is: 95,955,777.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,326,929.68 : 145,287,606.48 = 69,563,589.36 : x
  2. Step 2: Convert to fraction form
    105,326,929.68/145,287,606.48 = 69,563,589.36/x
  3. Step 3: Cross multiply
    105,326,929.68x = 145,287,606.48 × 69,563,589.36
  4. Step 4: Simplify right side
    105,326,929.68x = 10,106,727,396,271,994
  5. Step 5: Solve for x
    x = 10,106,727,396,271,994/105,326,929.68
  6. Step 6: Final answer
    x = 95,955,777.19

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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.