Home / 209,952,762.30-314,929,143.45-56,614,319.10

Finding the Fourth Proportional to 209,952,762.30, 314,929,143.45 and 56,614,319.10

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Solution

The fourth proportional to 209,952,762.30, 314,929,143.45 and 56,614,319.10 is: 84,921,478.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,762.30 : 314,929,143.45 = 56,614,319.10 : x
  2. Step 2: Convert to fraction form
    209,952,762.30/314,929,143.45 = 56,614,319.10/x
  3. Step 3: Cross multiply
    209,952,762.30x = 314,929,143.45 × 56,614,319.10
  4. Step 4: Simplify right side
    209,952,762.30x = 17,829,499,021,167,974
  5. Step 5: Solve for x
    x = 17,829,499,021,167,974/209,952,762.30
  6. Step 6: Final answer
    x = 84,921,478.65

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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.