Home / 163,355,999.20-245,033,998.80-105,535,218.40

Finding the Fourth Proportional to 163,355,999.20, 245,033,998.80 and 105,535,218.40

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Solution

The fourth proportional to 163,355,999.20, 245,033,998.80 and 105,535,218.40 is: 158,302,827.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,355,999.20 : 245,033,998.80 = 105,535,218.40 : x
  2. Step 2: Convert to fraction form
    163,355,999.20/245,033,998.80 = 105,535,218.40/x
  3. Step 3: Cross multiply
    163,355,999.20x = 245,033,998.80 × 105,535,218.40
  4. Step 4: Simplify right side
    163,355,999.20x = 25,859,716,578,783,340
  5. Step 5: Solve for x
    x = 25,859,716,578,783,340/163,355,999.20
  6. Step 6: Final answer
    x = 158,302,827.60

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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.