Finding the Fourth Proportional to 219,084,823.58, 328,688,672.85 and 88,019,135.09
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Solution
The fourth proportional to 219,084,823.58, 328,688,672.85 and 88,019,135.09 is: 132,053,385.65
Step by Step Solution
- Step 1: Write the proportion equation
219,084,823.58 : 328,688,672.85 = 88,019,135.09 : x - Step 2: Convert to fraction form
219,084,823.58/328,688,672.85 = 88,019,135.09/x - Step 3: Cross multiply
219,084,823.58x = 328,688,672.85 × 88,019,135.09 - Step 4: Simplify right side
219,084,823.58x = 28,930,892,697,726,108 - Step 5: Solve for x
x = 28,930,892,697,726,108/219,084,823.58 - Step 6: Final answer
x = 132,053,385.65
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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.