Finding the Fourth Proportional to 139,968,237.30, 209,952,355.95 and 96,130,259.70
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Solution
The fourth proportional to 139,968,237.30, 209,952,355.95 and 96,130,259.70 is: 144,195,389.55
Step by Step Solution
- Step 1: Write the proportion equation
139,968,237.30 : 209,952,355.95 = 96,130,259.70 : x - Step 2: Convert to fraction form
139,968,237.30/209,952,355.95 = 96,130,259.70/x - Step 3: Cross multiply
139,968,237.30x = 209,952,355.95 × 96,130,259.70 - Step 4: Simplify right side
139,968,237.30x = 20,182,774,502,100,340 - Step 5: Solve for x
x = 20,182,774,502,100,340/139,968,237.30 - Step 6: Final answer
x = 144,195,389.55
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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.