Home / 64,045,790.51-96,074,591.54-20,915,219.93

Finding the Fourth Proportional to 64,045,790.51, 96,074,591.54 and 20,915,219.93

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Solution

The fourth proportional to 64,045,790.51, 96,074,591.54 and 20,915,219.93 is: 31,374,758.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,045,790.51 : 96,074,591.54 = 20,915,219.93 : x
  2. Step 2: Convert to fraction form
    64,045,790.51/96,074,591.54 = 20,915,219.93/x
  3. Step 3: Cross multiply
    64,045,790.51x = 96,074,591.54 × 20,915,219.93
  4. Step 4: Simplify right side
    64,045,790.51x = 2,009,421,211,159,068.25
  5. Step 5: Solve for x
    x = 2,009,421,211,159,068.25/64,045,790.51
  6. Step 6: Final answer
    x = 31,374,758.52

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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.