Home / 124,077,194.70-171,115,061.67-77,671,679.10

Finding the Fourth Proportional to 124,077,194.70, 171,115,061.67 and 77,671,679.10

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Solution

The fourth proportional to 124,077,194.70, 171,115,061.67 and 77,671,679.10 is: 107,117,139.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,077,194.70 : 171,115,061.67 = 77,671,679.10 : x
  2. Step 2: Convert to fraction form
    124,077,194.70/171,115,061.67 = 77,671,679.10/x
  3. Step 3: Cross multiply
    124,077,194.70x = 171,115,061.67 × 77,671,679.10
  4. Step 4: Simplify right side
    124,077,194.70x = 13,290,794,159,208,948
  5. Step 5: Solve for x
    x = 13,290,794,159,208,948/124,077,194.70
  6. Step 6: Final answer
    x = 107,117,139.39

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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.