Finding the Fourth Proportional to 156,779,387.79, 235,153,885.76 and 47,605,518.50
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Solution
The fourth proportional to 156,779,387.79, 235,153,885.76 and 47,605,518.50 is: 71,403,663.55
Step by Step Solution
- Step 1: Write the proportion equation
156,779,387.79 : 235,153,885.76 = 47,605,518.50 : x - Step 2: Convert to fraction form
156,779,387.79/235,153,885.76 = 47,605,518.50/x - Step 3: Cross multiply
156,779,387.79x = 235,153,885.76 × 47,605,518.50 - Step 4: Simplify right side
156,779,387.79x = 11,194,622,657,480,768 - Step 5: Solve for x
x = 11,194,622,657,480,768/156,779,387.79 - Step 6: Final answer
x = 71,403,663.55
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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.