Finding the Fourth Proportional to 93,312,263.60, 139,968,395.40 and 28,615,554.80
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Solution
The fourth proportional to 93,312,263.60, 139,968,395.40 and 28,615,554.80 is: 42,923,332.20
Step by Step Solution
- Step 1: Write the proportion equation
93,312,263.60 : 139,968,395.40 = 28,615,554.80 : x - Step 2: Convert to fraction form
93,312,263.60/139,968,395.40 = 28,615,554.80/x - Step 3: Cross multiply
93,312,263.60x = 139,968,395.40 × 28,615,554.80 - Step 4: Simplify right side
93,312,263.60x = 4,005,273,288,836,768 - Step 5: Solve for x
x = 4,005,273,288,836,768/93,312,263.60 - Step 6: Final answer
x = 42,923,332.20
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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.