Home / 74,772,043.20-103,240,102.50-48,326,053.50

Finding the Fourth Proportional to 74,772,043.20, 103,240,102.50 and 48,326,053.50

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Solution

The fourth proportional to 74,772,043.20, 103,240,102.50 and 48,326,053.50 is: 66,725,296.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,772,043.20 : 103,240,102.50 = 48,326,053.50 : x
  2. Step 2: Convert to fraction form
    74,772,043.20/103,240,102.50 = 48,326,053.50/x
  3. Step 3: Cross multiply
    74,772,043.20x = 103,240,102.50 × 48,326,053.50
  4. Step 4: Simplify right side
    74,772,043.20x = 4,989,186,716,760,484
  5. Step 5: Solve for x
    x = 4,989,186,716,760,484/74,772,043.20
  6. Step 6: Final answer
    x = 66,725,296.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.