Finding the Fourth Proportional to 207,756,816.84, 286,704,686.34 and 113,679,802.44
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Solution
The fourth proportional to 207,756,816.84, 286,704,686.34 and 113,679,802.44 is: 156,878,280.08
Step by Step Solution
- Step 1: Write the proportion equation
207,756,816.84 : 286,704,686.34 = 113,679,802.44 : x - Step 2: Convert to fraction form
207,756,816.84/286,704,686.34 = 113,679,802.44/x - Step 3: Cross multiply
207,756,816.84x = 286,704,686.34 × 113,679,802.44 - Step 4: Simplify right side
207,756,816.84x = 32,592,532,101,753,364 - Step 5: Solve for x
x = 32,592,532,101,753,364/207,756,816.84 - Step 6: Final answer
x = 156,878,280.08
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.