Finding the Fourth Proportional to 98,687,767.70, 148,045,648.35 and 30,523,351.70
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Solution
The fourth proportional to 98,687,767.70, 148,045,648.35 and 30,523,351.70 is: 45,789,356.65
Step by Step Solution
- Step 1: Write the proportion equation
98,687,767.70 : 148,045,648.35 = 30,523,351.70 : x - Step 2: Convert to fraction form
98,687,767.70/148,045,648.35 = 30,523,351.70/x - Step 3: Cross multiply
98,687,767.70x = 148,045,648.35 × 30,523,351.70 - Step 4: Simplify right side
98,687,767.70x = 4,518,849,392,241,574 - Step 5: Solve for x
x = 4,518,849,392,241,574/98,687,767.70 - Step 6: Final answer
x = 45,789,356.65
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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.