Home / 82,636,801.20-123,955,201.80-73,708,592.40

Finding the Fourth Proportional to 82,636,801.20, 123,955,201.80 and 73,708,592.40

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Solution

The fourth proportional to 82,636,801.20, 123,955,201.80 and 73,708,592.40 is: 110,562,888.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,636,801.20 : 123,955,201.80 = 73,708,592.40 : x
  2. Step 2: Convert to fraction form
    82,636,801.20/123,955,201.80 = 73,708,592.40/x
  3. Step 3: Cross multiply
    82,636,801.20x = 123,955,201.80 × 73,708,592.40
  4. Step 4: Simplify right side
    82,636,801.20x = 9,136,563,445,335,946
  5. Step 5: Solve for x
    x = 9,136,563,445,335,946/82,636,801.20
  6. Step 6: Final answer
    x = 110,562,888.60

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1.5x scale

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.