Home / 56,520,457.70-84,780,686.55-42,171,550.70

Finding the Fourth Proportional to 56,520,457.70, 84,780,686.55 and 42,171,550.70

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Solution

The fourth proportional to 56,520,457.70, 84,780,686.55 and 42,171,550.70 is: 63,257,326.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,520,457.70 : 84,780,686.55 = 42,171,550.70 : x
  2. Step 2: Convert to fraction form
    56,520,457.70/84,780,686.55 = 42,171,550.70/x
  3. Step 3: Cross multiply
    56,520,457.70x = 84,780,686.55 × 42,171,550.70
  4. Step 4: Simplify right side
    56,520,457.70x = 3,575,333,021,224,133
  5. Step 5: Solve for x
    x = 3,575,333,021,224,133/56,520,457.70
  6. Step 6: Final answer
    x = 63,257,326.05

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Double scale
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Similar ratio
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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.