Home / 123,298,655.57-170,152,345.62-67,542,852.12

Finding the Fourth Proportional to 123,298,655.57, 170,152,345.62 and 67,542,852.12

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Solution

The fourth proportional to 123,298,655.57, 170,152,345.62 and 67,542,852.12 is: 93,209,246.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,298,655.57 : 170,152,345.62 = 67,542,852.12 : x
  2. Step 2: Convert to fraction form
    123,298,655.57/170,152,345.62 = 67,542,852.12/x
  3. Step 3: Cross multiply
    123,298,655.57x = 170,152,345.62 × 67,542,852.12
  4. Step 4: Simplify right side
    123,298,655.57x = 11,492,574,718,082,790
  5. Step 5: Solve for x
    x = 11,492,574,718,082,790/123,298,655.57
  6. Step 6: Final answer
    x = 93,209,246.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.