Home / 103,615,386.20-155,218,376.10-52,534,064.60

Finding the Fourth Proportional to 103,615,386.20, 155,218,376.10 and 52,534,064.60

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Solution

The fourth proportional to 103,615,386.20, 155,218,376.10 and 52,534,064.60 is: 78,697,310.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,615,386.20 : 155,218,376.10 = 52,534,064.60 : x
  2. Step 2: Convert to fraction form
    103,615,386.20/155,218,376.10 = 52,534,064.60/x
  3. Step 3: Cross multiply
    103,615,386.20x = 155,218,376.10 × 52,534,064.60
  4. Step 4: Simplify right side
    103,615,386.20x = 8,154,252,197,144,496
  5. Step 5: Solve for x
    x = 8,154,252,197,144,496/103,615,386.20
  6. Step 6: Final answer
    x = 78,697,310.28

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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.