Home / 99,403,642,223.94-137,177,445,205.62-56,000,447,872.98

Finding the Fourth Proportional to 99,403,642,223.94, 137,177,445,205.62 and 56,000,447,872.98

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Solution

The fourth proportional to 99,403,642,223.94, 137,177,445,205.62 and 56,000,447,872.98 is: 77,280,854,078.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,403,642,223.94 : 137,177,445,205.62 = 56,000,447,872.98 : x
  2. Step 2: Convert to fraction form
    99,403,642,223.94/137,177,445,205.62 = 56,000,447,872.98/x
  3. Step 3: Cross multiply
    99,403,642,223.94x = 137,177,445,205.62 × 56,000,447,872.98
  4. Step 4: Simplify right side
    99,403,642,223.94x = 7,681,998,369,585,893,474,304
  5. Step 5: Solve for x
    x = 7,681,998,369,585,893,474,304/99,403,642,223.94
  6. Step 6: Final answer
    x = 77,280,854,078.56

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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.