Home / 99,403,110.18-137,174,984.06-54,748,224.77

Finding the Fourth Proportional to 99,403,110.18, 137,174,984.06 and 54,748,224.77

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Solution

The fourth proportional to 99,403,110.18, 137,174,984.06 and 54,748,224.77 is: 75,551,829.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,403,110.18 : 137,174,984.06 = 54,748,224.77 : x
  2. Step 2: Convert to fraction form
    99,403,110.18/137,174,984.06 = 54,748,224.77/x
  3. Step 3: Cross multiply
    99,403,110.18x = 137,174,984.06 × 54,748,224.77
  4. Step 4: Simplify right side
    99,403,110.18x = 7,510,086,859,178,432
  5. Step 5: Solve for x
    x = 7,510,086,859,178,432/99,403,110.18
  6. Step 6: Final answer
    x = 75,551,829.77

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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.