Finding the Fourth Proportional to 106,518,187.80, 159,777,281.70 and 38,352,022.20
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Solution
The fourth proportional to 106,518,187.80, 159,777,281.70 and 38,352,022.20 is: 57,528,033.30
Step by Step Solution
- Step 1: Write the proportion equation
106,518,187.80 : 159,777,281.70 = 38,352,022.20 : x - Step 2: Convert to fraction form
106,518,187.80/159,777,281.70 = 38,352,022.20/x - Step 3: Cross multiply
106,518,187.80x = 159,777,281.70 × 38,352,022.20 - Step 4: Simplify right side
106,518,187.80x = 6,127,781,854,814,054 - Step 5: Solve for x
x = 6,127,781,854,814,054/106,518,187.80 - Step 6: Final answer
x = 57,528,033.30
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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.