Home / 57,449,812.64-85,668,749.89-56,931,657.66

Finding the Fourth Proportional to 57,449,812.64, 85,668,749.89 and 56,931,657.66

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Solution

The fourth proportional to 57,449,812.64, 85,668,749.89 and 56,931,657.66 is: 84,896,080.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,449,812.64 : 85,668,749.89 = 56,931,657.66 : x
  2. Step 2: Convert to fraction form
    57,449,812.64/85,668,749.89 = 56,931,657.66/x
  3. Step 3: Cross multiply
    57,449,812.64x = 85,668,749.89 × 56,931,657.66
  4. Step 4: Simplify right side
    57,449,812.64x = 4,877,263,940,755,313
  5. Step 5: Solve for x
    x = 4,877,263,940,755,313/57,449,812.64
  6. Step 6: Final answer
    x = 84,896,080.89

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.