Finding the Fourth Proportional to 153,943,332.84, 212,271,564.24 and 98,100,292.50
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Solution
The fourth proportional to 153,943,332.84, 212,271,564.24 and 98,100,292.50 is: 135,269,921.45
Step by Step Solution
- Step 1: Write the proportion equation
153,943,332.84 : 212,271,564.24 = 98,100,292.50 : x - Step 2: Convert to fraction form
153,943,332.84/212,271,564.24 = 98,100,292.50/x - Step 3: Cross multiply
153,943,332.84x = 212,271,564.24 × 98,100,292.50 - Step 4: Simplify right side
153,943,332.84x = 20,823,902,541,376,540 - Step 5: Solve for x
x = 20,823,902,541,376,540/153,943,332.84 - Step 6: Final answer
x = 135,269,921.45
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.