Home / 89,424,097.20-134,136,145.80-31,918,244.40

Finding the Fourth Proportional to 89,424,097.20, 134,136,145.80 and 31,918,244.40

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Solution

The fourth proportional to 89,424,097.20, 134,136,145.80 and 31,918,244.40 is: 47,877,366.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,424,097.20 : 134,136,145.80 = 31,918,244.40 : x
  2. Step 2: Convert to fraction form
    89,424,097.20/134,136,145.80 = 31,918,244.40/x
  3. Step 3: Cross multiply
    89,424,097.20x = 134,136,145.80 × 31,918,244.40
  4. Step 4: Simplify right side
    89,424,097.20x = 4,281,390,284,518,433
  5. Step 5: Solve for x
    x = 4,281,390,284,518,433/89,424,097.20
  6. Step 6: Final answer
    x = 47,877,366.60

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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.