Home / 287,566,858.60-431,243,999.70-93,484,605.40

Finding the Fourth Proportional to 287,566,858.60, 431,243,999.70 and 93,484,605.40

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Solution

The fourth proportional to 287,566,858.60, 431,243,999.70 and 93,484,605.40 is: 140,192,355.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,566,858.60 : 431,243,999.70 = 93,484,605.40 : x
  2. Step 2: Convert to fraction form
    287,566,858.60/431,243,999.70 = 93,484,605.40/x
  3. Step 3: Cross multiply
    287,566,858.60x = 431,243,999.70 × 93,484,605.40
  4. Step 4: Simplify right side
    287,566,858.60x = 40,314,675,143,072,216
  5. Step 5: Solve for x
    x = 40,314,675,143,072,216/287,566,858.60
  6. Step 6: Final answer
    x = 140,192,355.06

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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.