Home / 103,615,387.70-155,218,378.35-52,534,066.10

Finding the Fourth Proportional to 103,615,387.70, 155,218,378.35 and 52,534,066.10

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Solution

The fourth proportional to 103,615,387.70, 155,218,378.35 and 52,534,066.10 is: 78,697,312.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,615,387.70 : 155,218,378.35 = 52,534,066.10 : x
  2. Step 2: Convert to fraction form
    103,615,387.70/155,218,378.35 = 52,534,066.10/x
  3. Step 3: Cross multiply
    103,615,387.70x = 155,218,378.35 × 52,534,066.10
  4. Step 4: Simplify right side
    103,615,387.70x = 8,154,252,548,173,709
  5. Step 5: Solve for x
    x = 8,154,252,548,173,709/103,615,387.70
  6. Step 6: Final answer
    x = 78,697,312.52

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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.