Finding the Fourth Proportional to 149,515,802.20, 224,315,693.70 and 72,841,331.80
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Solution
The fourth proportional to 149,515,802.20, 224,315,693.70 and 72,841,331.80 is: 109,282,454.65
Step by Step Solution
- Step 1: Write the proportion equation
149,515,802.20 : 224,315,693.70 = 72,841,331.80 : x - Step 2: Convert to fraction form
149,515,802.20/224,315,693.70 = 72,841,331.80/x - Step 3: Cross multiply
149,515,802.20x = 224,315,693.70 × 72,841,331.80 - Step 4: Simplify right side
149,515,802.20x = 16,339,453,872,748,868 - Step 5: Solve for x
x = 16,339,453,872,748,868/149,515,802.20 - Step 6: Final answer
x = 109,282,454.65
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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.