Home / 209,035,018.38-288,484,461.99-125,406,281.10

Finding the Fourth Proportional to 209,035,018.38, 288,484,461.99 and 125,406,281.10

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Solution

The fourth proportional to 209,035,018.38, 288,484,461.99 and 125,406,281.10 is: 173,070,348.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,035,018.38 : 288,484,461.99 = 125,406,281.10 : x
  2. Step 2: Convert to fraction form
    209,035,018.38/288,484,461.99 = 125,406,281.10/x
  3. Step 3: Cross multiply
    209,035,018.38x = 288,484,461.99 × 125,406,281.10
  4. Step 4: Simplify right side
    209,035,018.38x = 36,177,763,533,300,208
  5. Step 5: Solve for x
    x = 36,177,763,533,300,208/209,035,018.38
  6. Step 6: Final answer
    x = 173,070,348.76

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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.