Home / 134,563,964.80-185,698,345.68-72,684,303.28

Finding the Fourth Proportional to 134,563,964.80, 185,698,345.68 and 72,684,303.28

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Solution

The fourth proportional to 134,563,964.80, 185,698,345.68 and 72,684,303.28 is: 100,304,378.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,563,964.80 : 185,698,345.68 = 72,684,303.28 : x
  2. Step 2: Convert to fraction form
    134,563,964.80/185,698,345.68 = 72,684,303.28/x
  3. Step 3: Cross multiply
    134,563,964.80x = 185,698,345.68 × 72,684,303.28
  4. Step 4: Simplify right side
    134,563,964.80x = 13,497,354,875,999,398
  5. Step 5: Solve for x
    x = 13,497,354,875,999,398/134,563,964.80
  6. Step 6: Final answer
    x = 100,304,378.64

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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.