Home / 80,712,771,312.80-121,069,156,969.20-55,607,923,625.60

Finding the Fourth Proportional to 80,712,771,312.80, 121,069,156,969.20 and 55,607,923,625.60

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Solution

The fourth proportional to 80,712,771,312.80, 121,069,156,969.20 and 55,607,923,625.60 is: 83,411,885,438.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,712,771,312.80 : 121,069,156,969.20 = 55,607,923,625.60 : x
  2. Step 2: Convert to fraction form
    80,712,771,312.80/121,069,156,969.20 = 55,607,923,625.60/x
  3. Step 3: Cross multiply
    80,712,771,312.80x = 121,069,156,969.20 × 55,607,923,625.60
  4. Step 4: Simplify right side
    80,712,771,312.80x = 6,732,404,434,159,051,735,040
  5. Step 5: Solve for x
    x = 6,732,404,434,159,051,735,040/80,712,771,312.80
  6. Step 6: Final answer
    x = 83,411,885,438.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.