Finding the Fourth Proportional to 93,312,801.80, 139,969,202.70 and 42,294,465.80
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Solution
The fourth proportional to 93,312,801.80, 139,969,202.70 and 42,294,465.80 is: 63,441,698.70
Step by Step Solution
- Step 1: Write the proportion equation
93,312,801.80 : 139,969,202.70 = 42,294,465.80 : x - Step 2: Convert to fraction form
93,312,801.80/139,969,202.70 = 42,294,465.80/x - Step 3: Cross multiply
93,312,801.80x = 139,969,202.70 × 42,294,465.80 - Step 4: Simplify right side
93,312,801.80x = 5,919,922,656,648,417 - Step 5: Solve for x
x = 5,919,922,656,648,417/93,312,801.80 - Step 6: Final answer
x = 63,441,698.70
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1.5x scale
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.