Finding the Fourth Proportional to 79,521,569.70, 119,282,354.55 and 59,114,235.30
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Solution
The fourth proportional to 79,521,569.70, 119,282,354.55 and 59,114,235.30 is: 88,671,352.95
Step by Step Solution
- Step 1: Write the proportion equation
79,521,569.70 : 119,282,354.55 = 59,114,235.30 : x - Step 2: Convert to fraction form
79,521,569.70/119,282,354.55 = 59,114,235.30/x - Step 3: Cross multiply
79,521,569.70x = 119,282,354.55 × 59,114,235.30 - Step 4: Simplify right side
79,521,569.70x = 7,051,285,174,006,725 - Step 5: Solve for x
x = 7,051,285,174,006,725/79,521,569.70 - Step 6: Final answer
x = 88,671,352.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.