Home / 280,716,639.60-421,103,098.80-96,459,848.40

Finding the Fourth Proportional to 280,716,639.60, 421,103,098.80 and 96,459,848.40

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Solution

The fourth proportional to 280,716,639.60, 421,103,098.80 and 96,459,848.40 is: 144,699,441.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,716,639.60 : 421,103,098.80 = 96,459,848.40 : x
  2. Step 2: Convert to fraction form
    280,716,639.60/421,103,098.80 = 96,459,848.40/x
  3. Step 3: Cross multiply
    280,716,639.60x = 421,103,098.80 × 96,459,848.40
  4. Step 4: Simplify right side
    280,716,639.60x = 40,619,541,071,018,224
  5. Step 5: Solve for x
    x = 40,619,541,071,018,224/280,716,639.60
  6. Step 6: Final answer
    x = 144,699,441.86

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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.