Home / 75,282,060.15-112,928,487.66-31,518,779.54

Finding the Fourth Proportional to 75,282,060.15, 112,928,487.66 and 31,518,779.54

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Solution

The fourth proportional to 75,282,060.15, 112,928,487.66 and 31,518,779.54 is: 47,280,429.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,282,060.15 : 112,928,487.66 = 31,518,779.54 : x
  2. Step 2: Convert to fraction form
    75,282,060.15/112,928,487.66 = 31,518,779.54/x
  3. Step 3: Cross multiply
    75,282,060.15x = 112,928,487.66 × 31,518,779.54
  4. Step 4: Simplify right side
    75,282,060.15x = 3,559,368,105,776,508
  5. Step 5: Solve for x
    x = 3,559,368,105,776,508/75,282,060.15
  6. Step 6: Final answer
    x = 47,280,429.08

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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.