Finding the Fourth Proportional to 79,915,398.72, 110,271,386.88 and 48,537,119.04
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Solution
The fourth proportional to 79,915,398.72, 110,271,386.88 and 48,537,119.04 is: 66,974,018.99
Step by Step Solution
- Step 1: Write the proportion equation
79,915,398.72 : 110,271,386.88 = 48,537,119.04 : x - Step 2: Convert to fraction form
79,915,398.72/110,271,386.88 = 48,537,119.04/x - Step 3: Cross multiply
79,915,398.72x = 110,271,386.88 × 48,537,119.04 - Step 4: Simplify right side
79,915,398.72x = 5,352,255,431,700,454 - Step 5: Solve for x
x = 5,352,255,431,700,454/79,915,398.72 - Step 6: Final answer
x = 66,974,018.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.