Finding the Fourth Proportional to 249,154,475.40, 373,865,563.98 and 103,688,325
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Solution
The fourth proportional to 249,154,475.40, 373,865,563.98 and 103,688,325 is: 155,588,190.99
Step by Step Solution
- Step 1: Write the proportion equation
249,154,475.40 : 373,865,563.98 = 103,688,325 : x - Step 2: Convert to fraction form
249,154,475.40/373,865,563.98 = 103,688,325/x - Step 3: Cross multiply
249,154,475.40x = 373,865,563.98 × 103,688,325 - Step 4: Simplify right side
249,154,475.40x = 38,765,494,104,266,536 - Step 5: Solve for x
x = 38,765,494,104,266,536/249,154,475.40 - Step 6: Final answer
x = 155,588,190.99
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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.