Finding the Fourth Proportional to 107,220,159.40, 160,830,239.10 and 89,363,741.80
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Solution
The fourth proportional to 107,220,159.40, 160,830,239.10 and 89,363,741.80 is: 134,045,612.70
Step by Step Solution
- Step 1: Write the proportion equation
107,220,159.40 : 160,830,239.10 = 89,363,741.80 : x - Step 2: Convert to fraction form
107,220,159.40/160,830,239.10 = 89,363,741.80/x - Step 3: Cross multiply
107,220,159.40x = 160,830,239.10 × 89,363,741.80 - Step 4: Simplify right side
107,220,159.40x = 14,372,391,960,564,664 - Step 5: Solve for x
x = 14,372,391,960,564,664/107,220,159.40 - Step 6: Final answer
x = 134,045,612.70
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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.