Finding the Fourth Proportional to 233,908,861.68, 322,798,035.40 and 128,060,490.47
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Solution
The fourth proportional to 233,908,861.68, 322,798,035.40 and 128,060,490.47 is: 176,725,560.70
Step by Step Solution
- Step 1: Write the proportion equation
233,908,861.68 : 322,798,035.40 = 128,060,490.47 : x - Step 2: Convert to fraction form
233,908,861.68/322,798,035.40 = 128,060,490.47/x - Step 3: Cross multiply
233,908,861.68x = 322,798,035.40 × 128,060,490.47 - Step 4: Simplify right side
233,908,861.68x = 41,337,674,734,142,280 - Step 5: Solve for x
x = 41,337,674,734,142,280/233,908,861.68 - Step 6: Final answer
x = 176,725,560.70
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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.