Finding the Fourth Proportional to 118,495,243,355.16, 163,523,435,840.60 and 64,301,791,990.80
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Solution
The fourth proportional to 118,495,243,355.16, 163,523,435,840.60 and 64,301,791,990.80 is: 88,736,472,952.99
Step by Step Solution
- Step 1: Write the proportion equation
118,495,243,355.16 : 163,523,435,840.60 = 64,301,791,990.80 : x - Step 2: Convert to fraction form
118,495,243,355.16/163,523,435,840.60 = 64,301,791,990.80/x - Step 3: Cross multiply
118,495,243,355.16x = 163,523,435,840.60 × 64,301,791,990.80 - Step 4: Simplify right side
118,495,243,355.16x = 10,514,849,957,043,190,628,352 - Step 5: Solve for x
x = 10,514,849,957,043,190,628,352/118,495,243,355.16 - Step 6: Final answer
x = 88,736,472,952.99
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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.