Home / 72,671,332,304.88-100,282,254,426.96-40,554,173,766.96

Finding the Fourth Proportional to 72,671,332,304.88, 100,282,254,426.96 and 40,554,173,766.96

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Solution

The fourth proportional to 72,671,332,304.88, 100,282,254,426.96 and 40,554,173,766.96 is: 55,962,424,835.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,671,332,304.88 : 100,282,254,426.96 = 40,554,173,766.96 : x
  2. Step 2: Convert to fraction form
    72,671,332,304.88/100,282,254,426.96 = 40,554,173,766.96/x
  3. Step 3: Cross multiply
    72,671,332,304.88x = 100,282,254,426.96 × 40,554,173,766.96
  4. Step 4: Simplify right side
    72,671,332,304.88x = 4,066,863,971,773,429,841,920
  5. Step 5: Solve for x
    x = 4,066,863,971,773,429,841,920/72,671,332,304.88
  6. Step 6: Final answer
    x = 55,962,424,835.03

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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.