Finding the Fourth Proportional to 156,650,946.66, 216,184,140.52 and 93,937,254.99
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Solution
The fourth proportional to 156,650,946.66, 216,184,140.52 and 93,937,254.99 is: 129,636,910.38
Step by Step Solution
- Step 1: Write the proportion equation
156,650,946.66 : 216,184,140.52 = 93,937,254.99 : x - Step 2: Convert to fraction form
156,650,946.66/216,184,140.52 = 93,937,254.99/x - Step 3: Cross multiply
156,650,946.66x = 216,184,140.52 × 93,937,254.99 - Step 4: Simplify right side
156,650,946.66x = 20,307,744,732,821,232 - Step 5: Solve for x
x = 20,307,744,732,821,232/156,650,946.66 - Step 6: Final answer
x = 129,636,910.38
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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.