Home / 146,808,271.20-219,909,661.20-86,039,810.40

Finding the Fourth Proportional to 146,808,271.20, 219,909,661.20 and 86,039,810.40

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Solution

The fourth proportional to 146,808,271.20, 219,909,661.20 and 86,039,810.40 is: 128,882,285.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,808,271.20 : 219,909,661.20 = 86,039,810.40 : x
  2. Step 2: Convert to fraction form
    146,808,271.20/219,909,661.20 = 86,039,810.40/x
  3. Step 3: Cross multiply
    146,808,271.20x = 219,909,661.20 × 86,039,810.40
  4. Step 4: Simplify right side
    146,808,271.20x = 18,920,985,554,776,236
  5. Step 5: Solve for x
    x = 18,920,985,554,776,236/146,808,271.20
  6. Step 6: Final answer
    x = 128,882,285.72

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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.