Finding the Fourth Proportional to 134,828,899.70, 202,243,349.55 and 133,485,206.90
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Solution
The fourth proportional to 134,828,899.70, 202,243,349.55 and 133,485,206.90 is: 200,227,810.35
Step by Step Solution
- Step 1: Write the proportion equation
134,828,899.70 : 202,243,349.55 = 133,485,206.90 : x - Step 2: Convert to fraction form
134,828,899.70/202,243,349.55 = 133,485,206.90/x - Step 3: Cross multiply
134,828,899.70x = 202,243,349.55 × 133,485,206.90 - Step 4: Simplify right side
134,828,899.70x = 26,996,495,358,830,776 - Step 5: Solve for x
x = 26,996,495,358,830,776/134,828,899.70 - Step 6: Final answer
x = 200,227,810.35
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.