Finding the Fourth Proportional to 86,832,483.49, 130,221,070.39 and 28,526,627.53
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Solution
The fourth proportional to 86,832,483.49, 130,221,070.39 and 28,526,627.53 is: 42,780,855.99
Step by Step Solution
- Step 1: Write the proportion equation
86,832,483.49 : 130,221,070.39 = 28,526,627.53 : x - Step 2: Convert to fraction form
86,832,483.49/130,221,070.39 = 28,526,627.53/x - Step 3: Cross multiply
86,832,483.49x = 130,221,070.39 × 28,526,627.53 - Step 4: Simplify right side
86,832,483.49x = 3,714,767,971,573,442 - Step 5: Solve for x
x = 3,714,767,971,573,442/86,832,483.49 - Step 6: Final answer
x = 42,780,855.99
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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.