Finding the Fourth Proportional to 86,152,777.84, 129,230,291.88 and 28,645,048.24
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Solution
The fourth proportional to 86,152,777.84, 129,230,291.88 and 28,645,048.24 is: 42,967,946.45
Step by Step Solution
- Step 1: Write the proportion equation
86,152,777.84 : 129,230,291.88 = 28,645,048.24 : x - Step 2: Convert to fraction form
86,152,777.84/129,230,291.88 = 28,645,048.24/x - Step 3: Cross multiply
86,152,777.84x = 129,230,291.88 × 28,645,048.24 - Step 4: Simplify right side
86,152,777.84x = 3,701,807,944,971,880 - Step 5: Solve for x
x = 3,701,807,944,971,880/86,152,777.84 - Step 6: Final answer
x = 42,967,946.45
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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.