Home / 42,768,256.20-64,152,384.30-25,720,153.80

Finding the Fourth Proportional to 42,768,256.20, 64,152,384.30 and 25,720,153.80

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Solution

The fourth proportional to 42,768,256.20, 64,152,384.30 and 25,720,153.80 is: 38,580,230.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,768,256.20 : 64,152,384.30 = 25,720,153.80 : x
  2. Step 2: Convert to fraction form
    42,768,256.20/64,152,384.30 = 25,720,153.80/x
  3. Step 3: Cross multiply
    42,768,256.20x = 64,152,384.30 × 25,720,153.80
  4. Step 4: Simplify right side
    42,768,256.20x = 1,650,009,190,832,705.25
  5. Step 5: Solve for x
    x = 1,650,009,190,832,705.25/42,768,256.20
  6. Step 6: Final answer
    x = 38,580,230.70

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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.