Home / 287,156,127.70-430,643,841.99-93,022,501.06

Finding the Fourth Proportional to 287,156,127.70, 430,643,841.99 and 93,022,501.06

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Solution

The fourth proportional to 287,156,127.70, 430,643,841.99 and 93,022,501.06 is: 139,504,483.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,156,127.70 : 430,643,841.99 = 93,022,501.06 : x
  2. Step 2: Convert to fraction form
    287,156,127.70/430,643,841.99 = 93,022,501.06/x
  3. Step 3: Cross multiply
    287,156,127.70x = 430,643,841.99 × 93,022,501.06
  4. Step 4: Simplify right side
    287,156,127.70x = 40,059,567,247,997,248
  5. Step 5: Solve for x
    x = 40,059,567,247,997,248/287,156,127.70
  6. Step 6: Final answer
    x = 139,504,483.39

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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.