Home / 255,187,411.02-382,762,600.83-99,711,984.78

Finding the Fourth Proportional to 255,187,411.02, 382,762,600.83 and 99,711,984.78

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Solution

The fourth proportional to 255,187,411.02, 382,762,600.83 and 99,711,984.78 is: 149,560,742.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,187,411.02 : 382,762,600.83 = 99,711,984.78 : x
  2. Step 2: Convert to fraction form
    255,187,411.02/382,762,600.83 = 99,711,984.78/x
  3. Step 3: Cross multiply
    255,187,411.02x = 382,762,600.83 × 99,711,984.78
  4. Step 4: Simplify right side
    255,187,411.02x = 38,166,018,628,314,176
  5. Step 5: Solve for x
    x = 38,166,018,628,314,176/255,187,411.02
  6. Step 6: Final answer
    x = 149,560,742.34

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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.