Home / 102,890,331.36-154,133,705.88-59,668,730.64

Finding the Fourth Proportional to 102,890,331.36, 154,133,705.88 and 59,668,730.64

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Solution

The fourth proportional to 102,890,331.36, 154,133,705.88 and 59,668,730.64 is: 89,386,072.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,890,331.36 : 154,133,705.88 = 59,668,730.64 : x
  2. Step 2: Convert to fraction form
    102,890,331.36/154,133,705.88 = 59,668,730.64/x
  3. Step 3: Cross multiply
    102,890,331.36x = 154,133,705.88 × 59,668,730.64
  4. Step 4: Simplify right side
    102,890,331.36x = 9,196,962,578,698,704
  5. Step 5: Solve for x
    x = 9,196,962,578,698,704/102,890,331.36
  6. Step 6: Final answer
    x = 89,386,072.11

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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.