Finding the Fourth Proportional to 80,896,307.20, 121,344,460.80 and 29,767,746.40
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Solution
The fourth proportional to 80,896,307.20, 121,344,460.80 and 29,767,746.40 is: 44,651,619.60
Step by Step Solution
- Step 1: Write the proportion equation
80,896,307.20 : 121,344,460.80 = 29,767,746.40 : x - Step 2: Convert to fraction form
80,896,307.20/121,344,460.80 = 29,767,746.40/x - Step 3: Cross multiply
80,896,307.20x = 121,344,460.80 × 29,767,746.40 - Step 4: Simplify right side
80,896,307.20x = 3,612,151,136,139,141 - Step 5: Solve for x
x = 3,612,151,136,139,141/80,896,307.20 - Step 6: Final answer
x = 44,651,619.60
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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.