Home / 147,909,627.75-204,113,772.92-81,830,598.94

Finding the Fourth Proportional to 147,909,627.75, 204,113,772.92 and 81,830,598.94

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Solution

The fourth proportional to 147,909,627.75, 204,113,772.92 and 81,830,598.94 is: 112,925,389.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,909,627.75 : 204,113,772.92 = 81,830,598.94 : x
  2. Step 2: Convert to fraction form
    147,909,627.75/204,113,772.92 = 81,830,598.94/x
  3. Step 3: Cross multiply
    147,909,627.75x = 204,113,772.92 × 81,830,598.94
  4. Step 4: Simplify right side
    147,909,627.75x = 16,702,752,289,742,174
  5. Step 5: Solve for x
    x = 16,702,752,289,742,174/147,909,627.75
  6. Step 6: Final answer
    x = 112,925,389.26

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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.