Finding the Fourth Proportional to 93,943,838,996.29, 129,646,766,841.58 and 55,364,387,085.53
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Solution
The fourth proportional to 93,943,838,996.29, 129,646,766,841.58 and 55,364,387,085.53 is: 76,405,370,064.64
Step by Step Solution
- Step 1: Write the proportion equation
93,943,838,996.29 : 129,646,766,841.58 = 55,364,387,085.53 : x - Step 2: Convert to fraction form
93,943,838,996.29/129,646,766,841.58 = 55,364,387,085.53/x - Step 3: Cross multiply
93,943,838,996.29x = 129,646,766,841.58 × 55,364,387,085.53 - Step 4: Simplify right side
93,943,838,996.29x = 7,177,813,783,804,690,563,072 - Step 5: Solve for x
x = 7,177,813,783,804,690,563,072/93,943,838,996.29 - Step 6: Final answer
x = 76,405,370,064.64
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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.