Finding the Fourth Proportional to 193,549,246.20, 289,987,946.10 and 125,356,836.60
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Solution
The fourth proportional to 193,549,246.20, 289,987,946.10 and 125,356,836.60 is: 187,817,686.14
Step by Step Solution
- Step 1: Write the proportion equation
193,549,246.20 : 289,987,946.10 = 125,356,836.60 : x - Step 2: Convert to fraction form
193,549,246.20/289,987,946.10 = 125,356,836.60/x - Step 3: Cross multiply
193,549,246.20x = 289,987,946.10 × 125,356,836.60 - Step 4: Simplify right side
193,549,246.20x = 36,351,971,575,227,312 - Step 5: Solve for x
x = 36,351,971,575,227,312/193,549,246.20 - Step 6: Final answer
x = 187,817,686.14
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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.