Home / 104,977,875.10-157,466,812.65-66,525,166.30

Finding the Fourth Proportional to 104,977,875.10, 157,466,812.65 and 66,525,166.30

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Solution

The fourth proportional to 104,977,875.10, 157,466,812.65 and 66,525,166.30 is: 99,787,749.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,977,875.10 : 157,466,812.65 = 66,525,166.30 : x
  2. Step 2: Convert to fraction form
    104,977,875.10/157,466,812.65 = 66,525,166.30/x
  3. Step 3: Cross multiply
    104,977,875.10x = 157,466,812.65 × 66,525,166.30
  4. Step 4: Simplify right side
    104,977,875.10x = 10,475,505,898,272,194
  5. Step 5: Solve for x
    x = 10,475,505,898,272,194/104,977,875.10
  6. Step 6: Final answer
    x = 99,787,749.45

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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.