Finding the Fourth Proportional to 125,001,445,223.20, 172,516,782,807.12 and 74,252,588,389.60
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Solution
The fourth proportional to 125,001,445,223.20, 172,516,782,807.12 and 74,252,588,389.60 is: 102,477,356,491.38
Step by Step Solution
- Step 1: Write the proportion equation
125,001,445,223.20 : 172,516,782,807.12 = 74,252,588,389.60 : x - Step 2: Convert to fraction form
125,001,445,223.20/172,516,782,807.12 = 74,252,588,389.60/x - Step 3: Cross multiply
125,001,445,223.20x = 172,516,782,807.12 × 74,252,588,389.60 - Step 4: Simplify right side
125,001,445,223.20x = 12,809,817,664,075,105,042,432 - Step 5: Solve for x
x = 12,809,817,664,075,105,042,432/125,001,445,223.20 - Step 6: Final answer
x = 102,477,356,491.38
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1.5x scale
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.