Home / 124,671,353.90-172,038,269.91-71,739,518.26

Finding the Fourth Proportional to 124,671,353.90, 172,038,269.91 and 71,739,518.26

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Solution

The fourth proportional to 124,671,353.90, 172,038,269.91 and 71,739,518.26 is: 98,995,817.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,671,353.90 : 172,038,269.91 = 71,739,518.26 : x
  2. Step 2: Convert to fraction form
    124,671,353.90/172,038,269.91 = 71,739,518.26/x
  3. Step 3: Cross multiply
    124,671,353.90x = 172,038,269.91 × 71,739,518.26
  4. Step 4: Simplify right side
    124,671,353.90x = 12,341,942,605,627,254
  5. Step 5: Solve for x
    x = 12,341,942,605,627,254/124,671,353.90
  6. Step 6: Final answer
    x = 98,995,817.56

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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.