Finding the Fourth Proportional to 177,130,963.60, 265,696,445.40 and 99,646,865.80
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Solution
The fourth proportional to 177,130,963.60, 265,696,445.40 and 99,646,865.80 is: 149,470,298.70
Step by Step Solution
- Step 1: Write the proportion equation
177,130,963.60 : 265,696,445.40 = 99,646,865.80 : x - Step 2: Convert to fraction form
177,130,963.60/265,696,445.40 = 99,646,865.80/x - Step 3: Cross multiply
177,130,963.60x = 265,696,445.40 × 99,646,865.80 - Step 4: Simplify right side
177,130,963.60x = 26,475,818,038,310,828 - Step 5: Solve for x
x = 26,475,818,038,310,828/177,130,963.60 - Step 6: Final answer
x = 149,470,298.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.