Finding the Fourth Proportional to 49,920,904.80, 74,734,390.80 and 37,197,813.60
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Solution
The fourth proportional to 49,920,904.80, 74,734,390.80 and 37,197,813.60 is: 55,687,210.59
Step by Step Solution
- Step 1: Write the proportion equation
49,920,904.80 : 74,734,390.80 = 37,197,813.60 : x - Step 2: Convert to fraction form
49,920,904.80/74,734,390.80 = 37,197,813.60/x - Step 3: Cross multiply
49,920,904.80x = 74,734,390.80 × 37,197,813.60 - Step 4: Simplify right side
49,920,904.80x = 2,779,955,938,487,955 - Step 5: Solve for x
x = 2,779,955,938,487,955/49,920,904.80 - Step 6: Final answer
x = 55,687,210.59
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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.