Home / 261,630,727.46-360,936,955.95-155,724,759.01

Finding the Fourth Proportional to 261,630,727.46, 360,936,955.95 and 155,724,759.01

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Solution

The fourth proportional to 261,630,727.46, 360,936,955.95 and 155,724,759.01 is: 214,832,642.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,630,727.46 : 360,936,955.95 = 155,724,759.01 : x
  2. Step 2: Convert to fraction form
    261,630,727.46/360,936,955.95 = 155,724,759.01/x
  3. Step 3: Cross multiply
    261,630,727.46x = 360,936,955.95 × 155,724,759.01
  4. Step 4: Simplify right side
    261,630,727.46x = 56,206,820,484,874,896
  5. Step 5: Solve for x
    x = 56,206,820,484,874,896/261,630,727.46
  6. Step 6: Final answer
    x = 214,832,642.29

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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.