Home / 164,834,858.40-247,252,287.60-42,012,938.40

Finding the Fourth Proportional to 164,834,858.40, 247,252,287.60 and 42,012,938.40

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Solution

The fourth proportional to 164,834,858.40, 247,252,287.60 and 42,012,938.40 is: 63,019,407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,834,858.40 : 247,252,287.60 = 42,012,938.40 : x
  2. Step 2: Convert to fraction form
    164,834,858.40/247,252,287.60 = 42,012,938.40/x
  3. Step 3: Cross multiply
    164,834,858.40x = 247,252,287.60 × 42,012,938.40
  4. Step 4: Simplify right side
    164,834,858.40x = 10,387,795,128,197,884
  5. Step 5: Solve for x
    x = 10,387,795,128,197,884/164,834,858.40
  6. Step 6: Final answer
    x = 63,019,407.60

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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.