Finding the Fourth Proportional to 147,398,916.84, 221,126,714.46 and 56,515,417.96
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Solution
The fourth proportional to 147,398,916.84, 221,126,714.46 and 56,515,417.96 is: 84,783,992.70
Step by Step Solution
- Step 1: Write the proportion equation
147,398,916.84 : 221,126,714.46 = 56,515,417.96 : x - Step 2: Convert to fraction form
147,398,916.84/221,126,714.46 = 56,515,417.96/x - Step 3: Cross multiply
147,398,916.84x = 221,126,714.46 × 56,515,417.96 - Step 4: Simplify right side
147,398,916.84x = 12,497,068,689,828,476 - Step 5: Solve for x
x = 12,497,068,689,828,476/147,398,916.84 - Step 6: Final answer
x = 84,783,992.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.