Finding the Fourth Proportional to 98,266,574.64, 147,394,545.12 and 30,109,463.76
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Solution
The fourth proportional to 98,266,574.64, 147,394,545.12 and 30,109,463.76 is: 45,162,566.53
Step by Step Solution
- Step 1: Write the proportion equation
98,266,574.64 : 147,394,545.12 = 30,109,463.76 : x - Step 2: Convert to fraction form
98,266,574.64/147,394,545.12 = 30,109,463.76/x - Step 3: Cross multiply
98,266,574.64x = 147,394,545.12 × 30,109,463.76 - Step 4: Simplify right side
98,266,574.64x = 4,437,970,714,712,325 - Step 5: Solve for x
x = 4,437,970,714,712,325/98,266,574.64 - Step 6: Final answer
x = 45,162,566.53
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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.