Finding the Fourth Proportional to 133,060,385.70, 199,590,578.55 and 60,312,017.70
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Solution
The fourth proportional to 133,060,385.70, 199,590,578.55 and 60,312,017.70 is: 90,468,026.55
Step by Step Solution
- Step 1: Write the proportion equation
133,060,385.70 : 199,590,578.55 = 60,312,017.70 : x - Step 2: Convert to fraction form
133,060,385.70/199,590,578.55 = 60,312,017.70/x - Step 3: Cross multiply
133,060,385.70x = 199,590,578.55 × 60,312,017.70 - Step 4: Simplify right side
133,060,385.70x = 12,037,710,506,260,842 - Step 5: Solve for x
x = 12,037,710,506,260,842/133,060,385.70 - Step 6: Final answer
x = 90,468,026.55
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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.