Home / 205,977,478.32-284,249,034.89-113,163,964.88

Finding the Fourth Proportional to 205,977,478.32, 284,249,034.89 and 113,163,964.88

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Solution

The fourth proportional to 205,977,478.32, 284,249,034.89 and 113,163,964.88 is: 156,166,334.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,977,478.32 : 284,249,034.89 = 113,163,964.88 : x
  2. Step 2: Convert to fraction form
    205,977,478.32/284,249,034.89 = 113,163,964.88/x
  3. Step 3: Cross multiply
    205,977,478.32x = 284,249,034.89 × 113,163,964.88
  4. Step 4: Simplify right side
    205,977,478.32x = 32,166,747,799,478,788
  5. Step 5: Solve for x
    x = 32,166,747,799,478,788/205,977,478.32
  6. Step 6: Final answer
    x = 156,166,334.60

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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.