Home / 79,658,743.14-119,509,378.53-28,545,928.74

Finding the Fourth Proportional to 79,658,743.14, 119,509,378.53 and 28,545,928.74

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Solution

The fourth proportional to 79,658,743.14, 119,509,378.53 and 28,545,928.74 is: 42,826,513.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,658,743.14 : 119,509,378.53 = 28,545,928.74 : x
  2. Step 2: Convert to fraction form
    79,658,743.14/119,509,378.53 = 28,545,928.74/x
  3. Step 3: Cross multiply
    79,658,743.14x = 119,509,378.53 × 28,545,928.74
  4. Step 4: Simplify right side
    79,658,743.14x = 3,411,506,203,279,066
  5. Step 5: Solve for x
    x = 3,411,506,203,279,066/79,658,743.14
  6. Step 6: Final answer
    x = 42,826,513.06

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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.