Home / 157,441,038.40-236,205,794.40-76,664,641.60

Finding the Fourth Proportional to 157,441,038.40, 236,205,794.40 and 76,664,641.60

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Solution

The fourth proportional to 157,441,038.40, 236,205,794.40 and 76,664,641.60 is: 115,018,503.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,441,038.40 : 236,205,794.40 = 76,664,641.60 : x
  2. Step 2: Convert to fraction form
    157,441,038.40/236,205,794.40 = 76,664,641.60/x
  3. Step 3: Cross multiply
    157,441,038.40x = 236,205,794.40 × 76,664,641.60
  4. Step 4: Simplify right side
    157,441,038.40x = 18,108,632,571,519,288
  5. Step 5: Solve for x
    x = 18,108,632,571,519,288/157,441,038.40
  6. Step 6: Final answer
    x = 115,018,503.15

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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.