Finding the Fourth Proportional to 93,312,400.20, 139,968,600.30 and 84,242,473.80
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Solution
The fourth proportional to 93,312,400.20, 139,968,600.30 and 84,242,473.80 is: 126,363,710.70
Step by Step Solution
- Step 1: Write the proportion equation
93,312,400.20 : 139,968,600.30 = 84,242,473.80 : x - Step 2: Convert to fraction form
93,312,400.20/139,968,600.30 = 84,242,473.80/x - Step 3: Cross multiply
93,312,400.20x = 139,968,600.30 × 84,242,473.80 - Step 4: Simplify right side
93,312,400.20x = 11,791,301,143,595,422 - Step 5: Solve for x
x = 11,791,301,143,595,422/93,312,400.20 - Step 6: Final answer
x = 126,363,710.70
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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.