Finding the Fourth Proportional to 156,833,273.60, 235,249,910.40 and 149,778,886.40
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Solution
The fourth proportional to 156,833,273.60, 235,249,910.40 and 149,778,886.40 is: 224,668,329.60
Step by Step Solution
- Step 1: Write the proportion equation
156,833,273.60 : 235,249,910.40 = 149,778,886.40 : x - Step 2: Convert to fraction form
156,833,273.60/235,249,910.40 = 149,778,886.40/x - Step 3: Cross multiply
156,833,273.60x = 235,249,910.40 × 149,778,886.40 - Step 4: Simplify right side
156,833,273.60x = 35,235,469,605,411,780 - Step 5: Solve for x
x = 35,235,469,605,411,780/156,833,273.60 - Step 6: Final answer
x = 224,668,329.60
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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.