Finding the Fourth Proportional to 49,883,281.40, 74,849,805.30 and 28,334,430.20
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Solution
The fourth proportional to 49,883,281.40, 74,849,805.30 and 28,334,430.20 is: 42,515,779.32
Step by Step Solution
- Step 1: Write the proportion equation
49,883,281.40 : 74,849,805.30 = 28,334,430.20 : x - Step 2: Convert to fraction form
49,883,281.40/74,849,805.30 = 28,334,430.20/x - Step 3: Cross multiply
49,883,281.40x = 74,849,805.30 × 28,334,430.20 - Step 4: Simplify right side
49,883,281.40x = 2,120,826,583,756,440 - Step 5: Solve for x
x = 2,120,826,583,756,440/49,883,281.40 - Step 6: Final answer
x = 42,515,779.32
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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.