Home / 308,903,000.40-463,347,415.80-155,507,864.40

Finding the Fourth Proportional to 308,903,000.40, 463,347,415.80 and 155,507,864.40

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Solution

The fourth proportional to 308,903,000.40, 463,347,415.80 and 155,507,864.40 is: 233,258,229.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,903,000.40 : 463,347,415.80 = 155,507,864.40 : x
  2. Step 2: Convert to fraction form
    308,903,000.40/463,347,415.80 = 155,507,864.40/x
  3. Step 3: Cross multiply
    308,903,000.40x = 463,347,415.80 × 155,507,864.40
  4. Step 4: Simplify right side
    308,903,000.40x = 72,054,167,106,316,824
  5. Step 5: Solve for x
    x = 72,054,167,106,316,824/308,903,000.40
  6. Step 6: Final answer
    x = 233,258,229.97

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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.