Finding the Fourth Proportional to 98,429,303.08, 135,836,324 and 56,613,301.84
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Solution
The fourth proportional to 98,429,303.08, 135,836,324 and 56,613,301.84 is: 78,128,591.49
Step by Step Solution
- Step 1: Write the proportion equation
98,429,303.08 : 135,836,324 = 56,613,301.84 : x - Step 2: Convert to fraction form
98,429,303.08/135,836,324 = 56,613,301.84/x - Step 3: Cross multiply
98,429,303.08x = 135,836,324 × 56,613,301.84 - Step 4: Simplify right side
98,429,303.08x = 7,690,142,811,448,037 - Step 5: Solve for x
x = 7,690,142,811,448,037/98,429,303.08 - Step 6: Final answer
x = 78,128,591.49
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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.