Home / 152,484,290.39-210,429,636-82,869,685.64

Finding the Fourth Proportional to 152,484,290.39, 210,429,636 and 82,869,685.64

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Solution

The fourth proportional to 152,484,290.39, 210,429,636 and 82,869,685.64 is: 114,360,880.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,484,290.39 : 210,429,636 = 82,869,685.64 : x
  2. Step 2: Convert to fraction form
    152,484,290.39/210,429,636 = 82,869,685.64/x
  3. Step 3: Cross multiply
    152,484,290.39x = 210,429,636 × 82,869,685.64
  4. Step 4: Simplify right side
    152,484,290.39x = 17,438,237,784,659,628
  5. Step 5: Solve for x
    x = 17,438,237,784,659,628/152,484,290.39
  6. Step 6: Final answer
    x = 114,360,880.98

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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.