Home / 75,282,026.81-112,928,437.61-31,518,746.19

Finding the Fourth Proportional to 75,282,026.81, 112,928,437.61 and 31,518,746.19

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Solution

The fourth proportional to 75,282,026.81, 112,928,437.61 and 31,518,746.19 is: 47,280,379.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,282,026.81 : 112,928,437.61 = 31,518,746.19 : x
  2. Step 2: Convert to fraction form
    75,282,026.81/112,928,437.61 = 31,518,746.19/x
  3. Step 3: Cross multiply
    75,282,026.81x = 112,928,437.61 × 31,518,746.19
  4. Step 4: Simplify right side
    75,282,026.81x = 3,559,362,762,505,247
  5. Step 5: Solve for x
    x = 3,559,362,762,505,247/75,282,026.81
  6. Step 6: Final answer
    x = 47,280,379.04

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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.