Finding the Fourth Proportional to 81,484,078.20, 122,226,117.30 and 62,352,202.20
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Solution
The fourth proportional to 81,484,078.20, 122,226,117.30 and 62,352,202.20 is: 93,528,303.30
Step by Step Solution
- Step 1: Write the proportion equation
81,484,078.20 : 122,226,117.30 = 62,352,202.20 : x - Step 2: Convert to fraction form
81,484,078.20/122,226,117.30 = 62,352,202.20/x - Step 3: Cross multiply
81,484,078.20x = 122,226,117.30 × 62,352,202.20 - Step 4: Simplify right side
81,484,078.20x = 7,621,067,580,010,518 - Step 5: Solve for x
x = 7,621,067,580,010,518/81,484,078.20 - Step 6: Final answer
x = 93,528,303.30
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1.5x scale
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.