Home / 257,142,927.24-354,861,914.40-145,656,915.48

Finding the Fourth Proportional to 257,142,927.24, 354,861,914.40 and 145,656,915.48

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Solution

The fourth proportional to 257,142,927.24, 354,861,914.40 and 145,656,915.48 is: 201,009,191.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,142,927.24 : 354,861,914.40 = 145,656,915.48 : x
  2. Step 2: Convert to fraction form
    257,142,927.24/354,861,914.40 = 145,656,915.48/x
  3. Step 3: Cross multiply
    257,142,927.24x = 354,861,914.40 × 145,656,915.48
  4. Step 4: Simplify right side
    257,142,927.24x = 51,688,091,872,831,784
  5. Step 5: Solve for x
    x = 51,688,091,872,831,784/257,142,927.24
  6. Step 6: Final answer
    x = 201,009,191.38

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1.5x scale

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.