Home / 287,283,510.87-430,985,857.11-93,179,852.38

Finding the Fourth Proportional to 287,283,510.87, 430,985,857.11 and 93,179,852.38

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Solution

The fourth proportional to 287,283,510.87, 430,985,857.11 and 93,179,852.38 is: 139,789,431.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,283,510.87 : 430,985,857.11 = 93,179,852.38 : x
  2. Step 2: Convert to fraction form
    287,283,510.87/430,985,857.11 = 93,179,852.38/x
  3. Step 3: Cross multiply
    287,283,510.87x = 430,985,857.11 × 93,179,852.38
  4. Step 4: Simplify right side
    287,283,510.87x = 40,159,198,543,377,576
  5. Step 5: Solve for x
    x = 40,159,198,543,377,576/287,283,510.87
  6. Step 6: Final answer
    x = 139,789,431.08

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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.