Finding the Fourth Proportional to 124,416,603.60, 186,624,905.40 and 79,029,646.80
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Solution
The fourth proportional to 124,416,603.60, 186,624,905.40 and 79,029,646.80 is: 118,544,470.20
Step by Step Solution
- Step 1: Write the proportion equation
124,416,603.60 : 186,624,905.40 = 79,029,646.80 : x - Step 2: Convert to fraction form
124,416,603.60/186,624,905.40 = 79,029,646.80/x - Step 3: Cross multiply
124,416,603.60x = 186,624,905.40 × 79,029,646.80 - Step 4: Simplify right side
124,416,603.60x = 14,748,900,357,845,412 - Step 5: Solve for x
x = 14,748,900,357,845,412/124,416,603.60 - Step 6: Final answer
x = 118,544,470.20
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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.