Home / 287,267,861.39-430,962,316.38-93,164,140.98

Finding the Fourth Proportional to 287,267,861.39, 430,962,316.38 and 93,164,140.98

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Solution

The fourth proportional to 287,267,861.39, 430,962,316.38 and 93,164,140.98 is: 139,765,840.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,267,861.39 : 430,962,316.38 = 93,164,140.98 : x
  2. Step 2: Convert to fraction form
    287,267,861.39/430,962,316.38 = 93,164,140.98/x
  3. Step 3: Cross multiply
    287,267,861.39x = 430,962,316.38 × 93,164,140.98
  4. Step 4: Simplify right side
    287,267,861.39x = 40,150,234,000,293,688
  5. Step 5: Solve for x
    x = 40,150,234,000,293,688/287,267,861.39
  6. Step 6: Final answer
    x = 139,765,840.17

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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.