Home / 86,913,661.40-130,370,492.10-56,680,573.40

Finding the Fourth Proportional to 86,913,661.40, 130,370,492.10 and 56,680,573.40

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Solution

The fourth proportional to 86,913,661.40, 130,370,492.10 and 56,680,573.40 is: 85,020,860.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,913,661.40 : 130,370,492.10 = 56,680,573.40 : x
  2. Step 2: Convert to fraction form
    86,913,661.40/130,370,492.10 = 56,680,573.40/x
  3. Step 3: Cross multiply
    86,913,661.40x = 130,370,492.10 × 56,680,573.40
  4. Step 4: Simplify right side
    86,913,661.40x = 7,389,474,246,668,170
  5. Step 5: Solve for x
    x = 7,389,474,246,668,170/86,913,661.40
  6. Step 6: Final answer
    x = 85,020,860.10

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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.