Home / 177,952,025.60-266,928,038.40-139,731,430.40

Finding the Fourth Proportional to 177,952,025.60, 266,928,038.40 and 139,731,430.40

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Solution

The fourth proportional to 177,952,025.60, 266,928,038.40 and 139,731,430.40 is: 209,597,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,952,025.60 : 266,928,038.40 = 139,731,430.40 : x
  2. Step 2: Convert to fraction form
    177,952,025.60/266,928,038.40 = 139,731,430.40/x
  3. Step 3: Cross multiply
    177,952,025.60x = 266,928,038.40 × 139,731,430.40
  4. Step 4: Simplify right side
    177,952,025.60x = 37,298,236,619,498,128
  5. Step 5: Solve for x
    x = 37,298,236,619,498,128/177,952,025.60
  6. Step 6: Final answer
    x = 209,597,145.60

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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.