Finding the Fourth Proportional to 145,709,290.82, 218,539,995.76 and 52,316,929.05
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Solution
The fourth proportional to 145,709,290.82, 218,539,995.76 and 52,316,929.05 is: 78,466,797.75
Step by Step Solution
- Step 1: Write the proportion equation
145,709,290.82 : 218,539,995.76 = 52,316,929.05 : x - Step 2: Convert to fraction form
145,709,290.82/218,539,995.76 = 52,316,929.05/x - Step 3: Cross multiply
145,709,290.82x = 218,539,995.76 × 52,316,929.05 - Step 4: Simplify right side
145,709,290.82x = 11,433,341,452,747,698 - Step 5: Solve for x
x = 11,433,341,452,747,698/145,709,290.82 - Step 6: Final answer
x = 78,466,797.75
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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.