Home / 42,725,289.60-64,087,934.40-28,367,683.20

Finding the Fourth Proportional to 42,725,289.60, 64,087,934.40 and 28,367,683.20

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Solution

The fourth proportional to 42,725,289.60, 64,087,934.40 and 28,367,683.20 is: 42,551,524.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,725,289.60 : 64,087,934.40 = 28,367,683.20 : x
  2. Step 2: Convert to fraction form
    42,725,289.60/64,087,934.40 = 28,367,683.20/x
  3. Step 3: Cross multiply
    42,725,289.60x = 64,087,934.40 × 28,367,683.20
  4. Step 4: Simplify right side
    42,725,289.60x = 1,818,026,220,001,582
  5. Step 5: Solve for x
    x = 1,818,026,220,001,582/42,725,289.60
  6. Step 6: Final answer
    x = 42,551,524.80

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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.