Home / 124,545,698.40-186,818,547.60-81,547,528.80

Finding the Fourth Proportional to 124,545,698.40, 186,818,547.60 and 81,547,528.80

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Solution

The fourth proportional to 124,545,698.40, 186,818,547.60 and 81,547,528.80 is: 122,321,293.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,545,698.40 : 186,818,547.60 = 81,547,528.80 : x
  2. Step 2: Convert to fraction form
    124,545,698.40/186,818,547.60 = 81,547,528.80/x
  3. Step 3: Cross multiply
    124,545,698.40x = 186,818,547.60 × 81,547,528.80
  4. Step 4: Simplify right side
    124,545,698.40x = 15,234,590,890,785,170
  5. Step 5: Solve for x
    x = 15,234,590,890,785,170/124,545,698.40
  6. Step 6: Final answer
    x = 122,321,293.20

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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.