Home / 210,496,011.60-315,600,329.40-112,142,423.76

Finding the Fourth Proportional to 210,496,011.60, 315,600,329.40 and 112,142,423.76

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Solution

The fourth proportional to 210,496,011.60, 315,600,329.40 and 112,142,423.76 is: 168,137,085.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,496,011.60 : 315,600,329.40 = 112,142,423.76 : x
  2. Step 2: Convert to fraction form
    210,496,011.60/315,600,329.40 = 112,142,423.76/x
  3. Step 3: Cross multiply
    210,496,011.60x = 315,600,329.40 × 112,142,423.76
  4. Step 4: Simplify right side
    210,496,011.60x = 35,392,185,878,370,384
  5. Step 5: Solve for x
    x = 35,392,185,878,370,384/210,496,011.60
  6. Step 6: Final answer
    x = 168,137,085.40

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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.