Finding the Fourth Proportional to 156,645,913.08, 216,124,218.18 and 93,899,116.68
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Solution
The fourth proportional to 156,645,913.08, 216,124,218.18 and 93,899,116.68 is: 129,552,522.51
Step by Step Solution
- Step 1: Write the proportion equation
156,645,913.08 : 216,124,218.18 = 93,899,116.68 : x - Step 2: Convert to fraction form
156,645,913.08/216,124,218.18 = 93,899,116.68/x - Step 3: Cross multiply
156,645,913.08x = 216,124,218.18 × 93,899,116.68 - Step 4: Simplify right side
156,645,913.08x = 20,293,873,180,257,600 - Step 5: Solve for x
x = 20,293,873,180,257,600/156,645,913.08 - Step 6: Final answer
x = 129,552,522.51
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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.