Finding the Fourth Proportional to 93,312,108.70, 139,968,163.05 and 84,242,182.30
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Solution
The fourth proportional to 93,312,108.70, 139,968,163.05 and 84,242,182.30 is: 126,363,273.45
Step by Step Solution
- Step 1: Write the proportion equation
93,312,108.70 : 139,968,163.05 = 84,242,182.30 : x - Step 2: Convert to fraction form
93,312,108.70/139,968,163.05 = 84,242,182.30/x - Step 3: Cross multiply
93,312,108.70x = 139,968,163.05 × 84,242,182.30 - Step 4: Simplify right side
93,312,108.70x = 11,791,223,507,854,224 - Step 5: Solve for x
x = 11,791,223,507,854,224/93,312,108.70 - Step 6: Final answer
x = 126,363,273.45
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Double scale
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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.