Finding the Fourth Proportional to 142,918,248.21, 214,387,618.88 and 59,836,395.12
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Solution
The fourth proportional to 142,918,248.21, 214,387,618.88 and 59,836,395.12 is: 89,758,882.67
Step by Step Solution
- Step 1: Write the proportion equation
142,918,248.21 : 214,387,618.88 = 59,836,395.12 : x - Step 2: Convert to fraction form
142,918,248.21/214,387,618.88 = 59,836,395.12/x - Step 3: Cross multiply
142,918,248.21x = 214,387,618.88 × 59,836,395.12 - Step 4: Simplify right side
142,918,248.21x = 12,828,182,271,840,470 - Step 5: Solve for x
x = 12,828,182,271,840,470/142,918,248.21 - Step 6: Final answer
x = 89,758,882.67
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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.