Home / 191,484,668.40-287,227,002.60-188,461,359.60

Finding the Fourth Proportional to 191,484,668.40, 287,227,002.60 and 188,461,359.60

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Solution

The fourth proportional to 191,484,668.40, 287,227,002.60 and 188,461,359.60 is: 282,692,039.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,484,668.40 : 287,227,002.60 = 188,461,359.60 : x
  2. Step 2: Convert to fraction form
    191,484,668.40/287,227,002.60 = 188,461,359.60/x
  3. Step 3: Cross multiply
    191,484,668.40x = 287,227,002.60 × 188,461,359.60
  4. Step 4: Simplify right side
    191,484,668.40x = 54,131,191,423,828,736
  5. Step 5: Solve for x
    x = 54,131,191,423,828,736/191,484,668.40
  6. Step 6: Final answer
    x = 282,692,039.40

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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.