Finding the Fourth Proportional to 99,174,857.30, 148,762,285.95 and 88,404,319.70
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Solution
The fourth proportional to 99,174,857.30, 148,762,285.95 and 88,404,319.70 is: 132,606,479.55
Step by Step Solution
- Step 1: Write the proportion equation
99,174,857.30 : 148,762,285.95 = 88,404,319.70 : x - Step 2: Convert to fraction form
99,174,857.30/148,762,285.95 = 88,404,319.70/x - Step 3: Cross multiply
99,174,857.30x = 148,762,285.95 × 88,404,319.70 - Step 4: Simplify right side
99,174,857.30x = 13,151,228,686,426,618 - Step 5: Solve for x
x = 13,151,228,686,426,618/99,174,857.30 - Step 6: Final answer
x = 132,606,479.55
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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.