Finding the Fourth Proportional to 130,046,925.12, 194,933,835.99 and 43,755,373.59
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Solution
The fourth proportional to 130,046,925.12, 194,933,835.99 and 43,755,373.59 is: 65,587,116.43
Step by Step Solution
- Step 1: Write the proportion equation
130,046,925.12 : 194,933,835.99 = 43,755,373.59 : x - Step 2: Convert to fraction form
130,046,925.12/194,933,835.99 = 43,755,373.59/x - Step 3: Cross multiply
130,046,925.12x = 194,933,835.99 × 43,755,373.59 - Step 4: Simplify right side
130,046,925.12x = 8,529,402,819,074,239 - Step 5: Solve for x
x = 8,529,402,819,074,239/130,046,925.12 - Step 6: Final answer
x = 65,587,116.43
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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.