Home / 305,303,077.60-457,713,759.12-151,865,386.72

Finding the Fourth Proportional to 305,303,077.60, 457,713,759.12 and 151,865,386.72

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Solution

The fourth proportional to 305,303,077.60, 457,713,759.12 and 151,865,386.72 is: 227,678,271.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,303,077.60 : 457,713,759.12 = 151,865,386.72 : x
  2. Step 2: Convert to fraction form
    305,303,077.60/457,713,759.12 = 151,865,386.72/x
  3. Step 3: Cross multiply
    305,303,077.60x = 457,713,759.12 × 151,865,386.72
  4. Step 4: Simplify right side
    305,303,077.60x = 69,510,877,035,823,728
  5. Step 5: Solve for x
    x = 69,510,877,035,823,728/305,303,077.60
  6. Step 6: Final answer
    x = 227,678,271.64

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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.