Home / 137,863,922,184.80-206,506,282,730.88-87,473,418,070.40

Finding the Fourth Proportional to 137,863,922,184.80, 206,506,282,730.88 and 87,473,418,070.40

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Solution

The fourth proportional to 137,863,922,184.80, 206,506,282,730.88 and 87,473,418,070.40 is: 131,026,378,164.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,863,922,184.80 : 206,506,282,730.88 = 87,473,418,070.40 : x
  2. Step 2: Convert to fraction form
    137,863,922,184.80/206,506,282,730.88 = 87,473,418,070.40/x
  3. Step 3: Cross multiply
    137,863,922,184.80x = 206,506,282,730.88 × 87,473,418,070.40
  4. Step 4: Simplify right side
    137,863,922,184.80x = 18,063,810,403,482,489,323,520
  5. Step 5: Solve for x
    x = 18,063,810,403,482,489,323,520/137,863,922,184.80
  6. Step 6: Final answer
    x = 131,026,378,164.90

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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.