Home / 83,178,623.40-124,776,272.70-28,584,018.60

Finding the Fourth Proportional to 83,178,623.40, 124,776,272.70 and 28,584,018.60

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Solution

The fourth proportional to 83,178,623.40, 124,776,272.70 and 28,584,018.60 is: 42,878,893.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,178,623.40 : 124,776,272.70 = 28,584,018.60 : x
  2. Step 2: Convert to fraction form
    83,178,623.40/124,776,272.70 = 28,584,018.60/x
  3. Step 3: Cross multiply
    83,178,623.40x = 124,776,272.70 × 28,584,018.60
  4. Step 4: Simplify right side
    83,178,623.40x = 3,566,607,299,695,472.50
  5. Step 5: Solve for x
    x = 3,566,607,299,695,472.50/83,178,623.40
  6. Step 6: Final answer
    x = 42,878,893.08

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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.