Home / 55,365,448.32-76,404,068.10-30,585,643.20

Finding the Fourth Proportional to 55,365,448.32, 76,404,068.10 and 30,585,643.20

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Solution

The fourth proportional to 55,365,448.32, 76,404,068.10 and 30,585,643.20 is: 42,208,049.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,365,448.32 : 76,404,068.10 = 30,585,643.20 : x
  2. Step 2: Convert to fraction form
    55,365,448.32/76,404,068.10 = 30,585,643.20/x
  3. Step 3: Cross multiply
    55,365,448.32x = 76,404,068.10 × 30,585,643.20
  4. Step 4: Simplify right side
    55,365,448.32x = 2,336,867,565,935,101.50
  5. Step 5: Solve for x
    x = 2,336,867,565,935,101.50/55,365,448.32
  6. Step 6: Final answer
    x = 42,208,049.19

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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.