Home / 77,725,915.20-107,223,021-46,341,830.16

Finding the Fourth Proportional to 77,725,915.20, 107,223,021 and 46,341,830.16

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Solution

The fourth proportional to 77,725,915.20, 107,223,021 and 46,341,830.16 is: 63,928,626.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,725,915.20 : 107,223,021 = 46,341,830.16 : x
  2. Step 2: Convert to fraction form
    77,725,915.20/107,223,021 = 46,341,830.16/x
  3. Step 3: Cross multiply
    77,725,915.20x = 107,223,021 × 46,341,830.16
  4. Step 4: Simplify right side
    77,725,915.20x = 4,968,911,028,424,113
  5. Step 5: Solve for x
    x = 4,968,911,028,424,113/77,725,915.20
  6. Step 6: Final answer
    x = 63,928,626.84

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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.