Home / 119,155,653.20-178,733,479.80-73,806,021.20

Finding the Fourth Proportional to 119,155,653.20, 178,733,479.80 and 73,806,021.20

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Solution

The fourth proportional to 119,155,653.20, 178,733,479.80 and 73,806,021.20 is: 110,709,031.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,155,653.20 : 178,733,479.80 = 73,806,021.20 : x
  2. Step 2: Convert to fraction form
    119,155,653.20/178,733,479.80 = 73,806,021.20/x
  3. Step 3: Cross multiply
    119,155,653.20x = 178,733,479.80 × 73,806,021.20
  4. Step 4: Simplify right side
    119,155,653.20x = 13,191,606,999,268,574
  5. Step 5: Solve for x
    x = 13,191,606,999,268,574/119,155,653.20
  6. Step 6: Final answer
    x = 110,709,031.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.