Home / 292,336,173.18-438,470,126.10-117,452,127.69

Finding the Fourth Proportional to 292,336,173.18, 438,470,126.10 and 117,452,127.69

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Solution

The fourth proportional to 292,336,173.18, 438,470,126.10 and 117,452,127.69 is: 176,164,477.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,336,173.18 : 438,470,126.10 = 117,452,127.69 : x
  2. Step 2: Convert to fraction form
    292,336,173.18/438,470,126.10 = 117,452,127.69/x
  3. Step 3: Cross multiply
    292,336,173.18x = 438,470,126.10 × 117,452,127.69
  4. Step 4: Simplify right side
    292,336,173.18x = 51,499,249,238,947,600
  5. Step 5: Solve for x
    x = 51,499,249,238,947,600/292,336,173.18
  6. Step 6: Final answer
    x = 176,164,477.62

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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.