Home / 72,288,011.40-108,432,017.10-62,210,315.40

Finding the Fourth Proportional to 72,288,011.40, 108,432,017.10 and 62,210,315.40

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Solution

The fourth proportional to 72,288,011.40, 108,432,017.10 and 62,210,315.40 is: 93,315,473.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,288,011.40 : 108,432,017.10 = 62,210,315.40 : x
  2. Step 2: Convert to fraction form
    72,288,011.40/108,432,017.10 = 62,210,315.40/x
  3. Step 3: Cross multiply
    72,288,011.40x = 108,432,017.10 × 62,210,315.40
  4. Step 4: Simplify right side
    72,288,011.40x = 6,745,589,983,249,193
  5. Step 5: Solve for x
    x = 6,745,589,983,249,193/72,288,011.40
  6. Step 6: Final answer
    x = 93,315,473.10

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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.