Finding the Fourth Proportional to 126,927,657.84, 175,196,487.94 and 74,746,959.68
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Solution
The fourth proportional to 126,927,657.84, 175,196,487.94 and 74,746,959.68 is: 103,172,193.07
Step by Step Solution
- Step 1: Write the proportion equation
126,927,657.84 : 175,196,487.94 = 74,746,959.68 : x - Step 2: Convert to fraction form
126,927,657.84/175,196,487.94 = 74,746,959.68/x - Step 3: Cross multiply
126,927,657.84x = 175,196,487.94 × 74,746,959.68 - Step 4: Simplify right side
126,927,657.84x = 13,095,404,820,128,788 - Step 5: Solve for x
x = 13,095,404,820,128,788/126,927,657.84 - Step 6: Final answer
x = 103,172,193.07
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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.