Finding the Fourth Proportional to 292,654,056.66, 438,938,355.06 and 85,336,757.46
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Solution
The fourth proportional to 292,654,056.66, 438,938,355.06 and 85,336,757.46 is: 127,992,676.31
Step by Step Solution
- Step 1: Write the proportion equation
292,654,056.66 : 438,938,355.06 = 85,336,757.46 : x - Step 2: Convert to fraction form
292,654,056.66/438,938,355.06 = 85,336,757.46/x - Step 3: Cross multiply
292,654,056.66x = 438,938,355.06 × 85,336,757.46 - Step 4: Simplify right side
292,654,056.66x = 37,457,575,945,646,584 - Step 5: Solve for x
x = 37,457,575,945,646,584/292,654,056.66 - Step 6: Final answer
x = 127,992,676.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.