Home / 180,479,170,599.89-249,067,228,437.86-99,191,874,821.40

Finding the Fourth Proportional to 180,479,170,599.89, 249,067,228,437.86 and 99,191,874,821.40

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Solution

The fourth proportional to 180,479,170,599.89, 249,067,228,437.86 and 99,191,874,821.40 is: 136,888,070,037.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,479,170,599.89 : 249,067,228,437.86 = 99,191,874,821.40 : x
  2. Step 2: Convert to fraction form
    180,479,170,599.89/249,067,228,437.86 = 99,191,874,821.40/x
  3. Step 3: Cross multiply
    180,479,170,599.89x = 249,067,228,437.86 × 99,191,874,821.40
  4. Step 4: Simplify right side
    180,479,170,599.89x = 24,705,445,345,321,243,639,808
  5. Step 5: Solve for x
    x = 24,705,445,345,321,243,639,808/180,479,170,599.89
  6. Step 6: Final answer
    x = 136,888,070,037.13

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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.