Finding the Fourth Proportional to 156,843,157.60, 216,442,363.03 and 86,277,252.18
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Solution
The fourth proportional to 156,843,157.60, 216,442,363.03 and 86,277,252.18 is: 119,061,950.95
Step by Step Solution
- Step 1: Write the proportion equation
156,843,157.60 : 216,442,363.03 = 86,277,252.18 : x - Step 2: Convert to fraction form
156,843,157.60/216,442,363.03 = 86,277,252.18/x - Step 3: Cross multiply
156,843,157.60x = 216,442,363.03 × 86,277,252.18 - Step 4: Simplify right side
156,843,157.60x = 18,674,052,337,358,728 - Step 5: Solve for x
x = 18,674,052,337,358,728/156,843,157.60 - Step 6: Final answer
x = 119,061,950.95
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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.