Finding the Fourth Proportional to 258,701,824.98, 357,009,968.49 and 147,192,663.46
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Solution
The fourth proportional to 258,701,824.98, 357,009,968.49 and 147,192,663.46 is: 203,126,700.59
Step by Step Solution
- Step 1: Write the proportion equation
258,701,824.98 : 357,009,968.49 = 147,192,663.46 : x - Step 2: Convert to fraction form
258,701,824.98/357,009,968.49 = 147,192,663.46/x - Step 3: Cross multiply
258,701,824.98x = 357,009,968.49 × 147,192,663.46 - Step 4: Simplify right side
258,701,824.98x = 52,549,248,143,813,776 - Step 5: Solve for x
x = 52,549,248,143,813,776/258,701,824.98 - Step 6: Final answer
x = 203,126,700.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.