Home / 52,354,116.65-78,429,011.10-40,785,415.46

Finding the Fourth Proportional to 52,354,116.65, 78,429,011.10 and 40,785,415.46

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Solution

The fourth proportional to 52,354,116.65, 78,429,011.10 and 40,785,415.46 is: 61,098,534.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,354,116.65 : 78,429,011.10 = 40,785,415.46 : x
  2. Step 2: Convert to fraction form
    52,354,116.65/78,429,011.10 = 40,785,415.46/x
  3. Step 3: Cross multiply
    52,354,116.65x = 78,429,011.10 × 40,785,415.46
  4. Step 4: Simplify right side
    52,354,116.65x = 3,198,759,801,830,451.50
  5. Step 5: Solve for x
    x = 3,198,759,801,830,451.50/52,354,116.65
  6. Step 6: Final answer
    x = 61,098,534.50

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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.