Home / 90,986,217.40-136,479,326.10-29,575,257.40

Finding the Fourth Proportional to 90,986,217.40, 136,479,326.10 and 29,575,257.40

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Solution

The fourth proportional to 90,986,217.40, 136,479,326.10 and 29,575,257.40 is: 44,362,886.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,986,217.40 : 136,479,326.10 = 29,575,257.40 : x
  2. Step 2: Convert to fraction form
    90,986,217.40/136,479,326.10 = 29,575,257.40/x
  3. Step 3: Cross multiply
    90,986,217.40x = 136,479,326.10 × 29,575,257.40
  4. Step 4: Simplify right side
    90,986,217.40x = 4,036,411,199,186,038
  5. Step 5: Solve for x
    x = 4,036,411,199,186,038/90,986,217.40
  6. Step 6: Final answer
    x = 44,362,886.10

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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.