Finding the Fourth Proportional to 99,221,536.99, 148,852,172.25 and 55,564,380.21
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Solution
The fourth proportional to 99,221,536.99, 148,852,172.25 and 55,564,380.21 is: 83,357,695.77
Step by Step Solution
- Step 1: Write the proportion equation
99,221,536.99 : 148,852,172.25 = 55,564,380.21 : x - Step 2: Convert to fraction form
99,221,536.99/148,852,172.25 = 55,564,380.21/x - Step 3: Cross multiply
99,221,536.99x = 148,852,172.25 × 55,564,380.21 - Step 4: Simplify right side
99,221,536.99x = 8,270,878,693,983,411 - Step 5: Solve for x
x = 8,270,878,693,983,411/99,221,536.99 - Step 6: Final answer
x = 83,357,695.77
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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.