Home / 77,639,911.60-116,459,867.40-59,724,007.60

Finding the Fourth Proportional to 77,639,911.60, 116,459,867.40 and 59,724,007.60

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Solution

The fourth proportional to 77,639,911.60, 116,459,867.40 and 59,724,007.60 is: 89,586,011.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,639,911.60 : 116,459,867.40 = 59,724,007.60 : x
  2. Step 2: Convert to fraction form
    77,639,911.60/116,459,867.40 = 59,724,007.60/x
  3. Step 3: Cross multiply
    77,639,911.60x = 116,459,867.40 × 59,724,007.60
  4. Step 4: Simplify right side
    77,639,911.60x = 6,955,450,005,692,593
  5. Step 5: Solve for x
    x = 6,955,450,005,692,593/77,639,911.60
  6. Step 6: Final answer
    x = 89,586,011.40

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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.