Home / 103,615,410.20-155,218,412.10-52,534,088.60

Finding the Fourth Proportional to 103,615,410.20, 155,218,412.10 and 52,534,088.60

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Solution

The fourth proportional to 103,615,410.20, 155,218,412.10 and 52,534,088.60 is: 78,697,346.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,615,410.20 : 155,218,412.10 = 52,534,088.60 : x
  2. Step 2: Convert to fraction form
    103,615,410.20/155,218,412.10 = 52,534,088.60/x
  3. Step 3: Cross multiply
    103,615,410.20x = 155,218,412.10 × 52,534,088.60
  4. Step 4: Simplify right side
    103,615,410.20x = 8,154,257,813,612,712
  5. Step 5: Solve for x
    x = 8,154,257,813,612,712/103,615,410.20
  6. Step 6: Final answer
    x = 78,697,346.25

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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.