Home / 52,281,668.12-72,148,303.04-28,759,698.36

Finding the Fourth Proportional to 52,281,668.12, 72,148,303.04 and 28,759,698.36

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Solution

The fourth proportional to 52,281,668.12, 72,148,303.04 and 28,759,698.36 is: 39,688,164.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,281,668.12 : 72,148,303.04 = 28,759,698.36 : x
  2. Step 2: Convert to fraction form
    52,281,668.12/72,148,303.04 = 28,759,698.36/x
  3. Step 3: Cross multiply
    52,281,668.12x = 72,148,303.04 × 28,759,698.36
  4. Step 4: Simplify right side
    52,281,668.12x = 2,074,963,432,616,271.25
  5. Step 5: Solve for x
    x = 2,074,963,432,616,271.25/52,281,668.12
  6. Step 6: Final answer
    x = 39,688,164.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.