Home / 56,693,633.35-78,195,440.02-42,755,575.16

Finding the Fourth Proportional to 56,693,633.35, 78,195,440.02 and 42,755,575.16

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Solution

The fourth proportional to 56,693,633.35, 78,195,440.02 and 42,755,575.16 is: 58,971,189.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,693,633.35 : 78,195,440.02 = 42,755,575.16 : x
  2. Step 2: Convert to fraction form
    56,693,633.35/78,195,440.02 = 42,755,575.16/x
  3. Step 3: Cross multiply
    56,693,633.35x = 78,195,440.02 × 42,755,575.16
  4. Step 4: Simplify right side
    56,693,633.35x = 3,343,291,012,446,516
  5. Step 5: Solve for x
    x = 3,343,291,012,446,516/56,693,633.35
  6. Step 6: Final answer
    x = 58,971,189.80

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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.