Finding the Fourth Proportional to 228,563,939.39, 315,416,502.74 and 124,142,758.06
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Solution
The fourth proportional to 228,563,939.39, 315,416,502.74 and 124,142,758.06 is: 171,316,064.52
Step by Step Solution
- Step 1: Write the proportion equation
228,563,939.39 : 315,416,502.74 = 124,142,758.06 : x - Step 2: Convert to fraction form
228,563,939.39/315,416,502.74 = 124,142,758.06/x - Step 3: Cross multiply
228,563,939.39x = 315,416,502.74 × 124,142,758.06 - Step 4: Simplify right side
228,563,939.39x = 39,156,674,587,783,152 - Step 5: Solve for x
x = 39,156,674,587,783,152/228,563,939.39 - Step 6: Final answer
x = 171,316,064.52
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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.