Home / 124,403,126.96-171,710,465.44-72,208,977.76

Finding the Fourth Proportional to 124,403,126.96, 171,710,465.44 and 72,208,977.76

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Solution

The fourth proportional to 124,403,126.96, 171,710,465.44 and 72,208,977.76 is: 99,668,211.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,403,126.96 : 171,710,465.44 = 72,208,977.76 : x
  2. Step 2: Convert to fraction form
    124,403,126.96/171,710,465.44 = 72,208,977.76/x
  3. Step 3: Cross multiply
    124,403,126.96x = 171,710,465.44 × 72,208,977.76
  4. Step 4: Simplify right side
    124,403,126.96x = 12,399,037,180,116,210
  5. Step 5: Solve for x
    x = 12,399,037,180,116,210/124,403,126.96
  6. Step 6: Final answer
    x = 99,668,211.59

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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.