Finding the Fourth Proportional to 343,718,887.75, 515,564,349.40 and 84,927,591.07
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Solution
The fourth proportional to 343,718,887.75, 515,564,349.40 and 84,927,591.07 is: 127,387,931.81
Step by Step Solution
- Step 1: Write the proportion equation
343,718,887.75 : 515,564,349.40 = 84,927,591.07 : x - Step 2: Convert to fraction form
343,718,887.75/515,564,349.40 = 84,927,591.07/x - Step 3: Cross multiply
343,718,887.75x = 515,564,349.40 × 84,927,591.07 - Step 4: Simplify right side
343,718,887.75x = 43,785,638,236,113,792 - Step 5: Solve for x
x = 43,785,638,236,113,792/343,718,887.75 - Step 6: Final answer
x = 127,387,931.81
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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.