Home / 142,175,152.40-213,262,728.60-123,043,276.40

Finding the Fourth Proportional to 142,175,152.40, 213,262,728.60 and 123,043,276.40

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Solution

The fourth proportional to 142,175,152.40, 213,262,728.60 and 123,043,276.40 is: 184,564,914.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,175,152.40 : 213,262,728.60 = 123,043,276.40 : x
  2. Step 2: Convert to fraction form
    142,175,152.40/213,262,728.60 = 123,043,276.40/x
  3. Step 3: Cross multiply
    142,175,152.40x = 213,262,728.60 × 123,043,276.40
  4. Step 4: Simplify right side
    142,175,152.40x = 26,240,544,860,947,984
  5. Step 5: Solve for x
    x = 26,240,544,860,947,984/142,175,152.40
  6. Step 6: Final answer
    x = 184,564,914.60

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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.