Finding the Fourth Proportional to 98,470,419.10, 147,573,598.62 and 76,637,162.62
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Solution
The fourth proportional to 98,470,419.10, 147,573,598.62 and 76,637,162.62 is: 114,852,988.13
Step by Step Solution
- Step 1: Write the proportion equation
98,470,419.10 : 147,573,598.62 = 76,637,162.62 : x - Step 2: Convert to fraction form
98,470,419.10/147,573,598.62 = 76,637,162.62/x - Step 3: Cross multiply
98,470,419.10x = 147,573,598.62 × 76,637,162.62 - Step 4: Simplify right side
98,470,419.10x = 11,309,621,875,859,548 - Step 5: Solve for x
x = 11,309,621,875,859,548/98,470,419.10 - Step 6: Final answer
x = 114,852,988.13
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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.