Home / 73,710,011.20-110,565,016.80-72,753,417.40

Finding the Fourth Proportional to 73,710,011.20, 110,565,016.80 and 72,753,417.40

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Solution

The fourth proportional to 73,710,011.20, 110,565,016.80 and 72,753,417.40 is: 109,130,126.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,710,011.20 : 110,565,016.80 = 72,753,417.40 : x
  2. Step 2: Convert to fraction form
    73,710,011.20/110,565,016.80 = 72,753,417.40/x
  3. Step 3: Cross multiply
    73,710,011.20x = 110,565,016.80 × 72,753,417.40
  4. Step 4: Simplify right side
    73,710,011.20x = 8,043,982,817,088,413
  5. Step 5: Solve for x
    x = 8,043,982,817,088,413/73,710,011.20
  6. Step 6: Final answer
    x = 109,130,126.10

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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.