Home / 87,899,657.95-121,303,755.15-48,208,768.91

Finding the Fourth Proportional to 87,899,657.95, 121,303,755.15 and 48,208,768.91

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Solution

The fourth proportional to 87,899,657.95, 121,303,755.15 and 48,208,768.91 is: 66,529,322.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,899,657.95 : 121,303,755.15 = 48,208,768.91 : x
  2. Step 2: Convert to fraction form
    87,899,657.95/121,303,755.15 = 48,208,768.91/x
  3. Step 3: Cross multiply
    87,899,657.95x = 121,303,755.15 × 48,208,768.91
  4. Step 4: Simplify right side
    87,899,657.95x = 5,847,904,699,941,572
  5. Step 5: Solve for x
    x = 5,847,904,699,941,572/87,899,657.95
  6. Step 6: Final answer
    x = 66,529,322.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.