Finding the Fourth Proportional to 156,779,406.37, 235,153,913.60 and 47,605,537.06
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Solution
The fourth proportional to 156,779,406.37, 235,153,913.60 and 47,605,537.06 is: 71,403,691.39
Step by Step Solution
- Step 1: Write the proportion equation
156,779,406.37 : 235,153,913.60 = 47,605,537.06 : x - Step 2: Convert to fraction form
156,779,406.37/235,153,913.60 = 47,605,537.06/x - Step 3: Cross multiply
156,779,406.37x = 235,153,913.60 × 47,605,537.06 - Step 4: Simplify right side
156,779,406.37x = 11,194,628,348,688,838 - Step 5: Solve for x
x = 11,194,628,348,688,838/156,779,406.37 - Step 6: Final answer
x = 71,403,691.39
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.