Home / 317,668,052.80-476,502,079.20-87,636,768.40

Finding the Fourth Proportional to 317,668,052.80, 476,502,079.20 and 87,636,768.40

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Solution

The fourth proportional to 317,668,052.80, 476,502,079.20 and 87,636,768.40 is: 131,455,152.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,668,052.80 : 476,502,079.20 = 87,636,768.40 : x
  2. Step 2: Convert to fraction form
    317,668,052.80/476,502,079.20 = 87,636,768.40/x
  3. Step 3: Cross multiply
    317,668,052.80x = 476,502,079.20 × 87,636,768.40
  4. Step 4: Simplify right side
    317,668,052.80x = 41,759,102,356,968,856
  5. Step 5: Solve for x
    x = 41,759,102,356,968,856/317,668,052.80
  6. Step 6: Final answer
    x = 131,455,152.60

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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.