Home / 102,155,465.02-140,977,518.90-55,748,708.08

Finding the Fourth Proportional to 102,155,465.02, 140,977,518.90 and 55,748,708.08

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Solution

The fourth proportional to 102,155,465.02, 140,977,518.90 and 55,748,708.08 is: 76,934,841.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,155,465.02 : 140,977,518.90 = 55,748,708.08 : x
  2. Step 2: Convert to fraction form
    102,155,465.02/140,977,518.90 = 55,748,708.08/x
  3. Step 3: Cross multiply
    102,155,465.02x = 140,977,518.90 × 55,748,708.08
  4. Step 4: Simplify right side
    102,155,465.02x = 7,859,314,546,998,783
  5. Step 5: Solve for x
    x = 7,859,314,546,998,783/102,155,465.02
  6. Step 6: Final answer
    x = 76,934,841.87

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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.