Home / 103,615,412.20-155,218,415.10-52,534,090.60

Finding the Fourth Proportional to 103,615,412.20, 155,218,415.10 and 52,534,090.60

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Solution

The fourth proportional to 103,615,412.20, 155,218,415.10 and 52,534,090.60 is: 78,697,349.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,615,412.20 : 155,218,415.10 = 52,534,090.60 : x
  2. Step 2: Convert to fraction form
    103,615,412.20/155,218,415.10 = 52,534,090.60/x
  3. Step 3: Cross multiply
    103,615,412.20x = 155,218,415.10 × 52,534,090.60
  4. Step 4: Simplify right side
    103,615,412.20x = 8,154,258,281,651,808
  5. Step 5: Solve for x
    x = 8,154,258,281,651,808/103,615,412.20
  6. Step 6: Final answer
    x = 78,697,349.25

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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.