Home / 124,403,115.96-171,710,450.22-72,208,966.76

Finding the Fourth Proportional to 124,403,115.96, 171,710,450.22 and 72,208,966.76

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Solution

The fourth proportional to 124,403,115.96, 171,710,450.22 and 72,208,966.76 is: 99,668,196.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,403,115.96 : 171,710,450.22 = 72,208,966.76 : x
  2. Step 2: Convert to fraction form
    124,403,115.96/171,710,450.22 = 72,208,966.76/x
  3. Step 3: Cross multiply
    124,403,115.96x = 171,710,450.22 × 72,208,966.76
  4. Step 4: Simplify right side
    124,403,115.96x = 12,399,034,192,280,616
  5. Step 5: Solve for x
    x = 12,399,034,192,280,616/124,403,115.96
  6. Step 6: Final answer
    x = 99,668,196.38

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1.5x scale

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.