Home / 145,282,709,034.40-217,924,063,551.60-89,203,354,103.20

Finding the Fourth Proportional to 145,282,709,034.40, 217,924,063,551.60 and 89,203,354,103.20

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Solution

The fourth proportional to 145,282,709,034.40, 217,924,063,551.60 and 89,203,354,103.20 is: 133,805,031,154.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,282,709,034.40 : 217,924,063,551.60 = 89,203,354,103.20 : x
  2. Step 2: Convert to fraction form
    145,282,709,034.40/217,924,063,551.60 = 89,203,354,103.20/x
  3. Step 3: Cross multiply
    145,282,709,034.40x = 217,924,063,551.60 × 89,203,354,103.20
  4. Step 4: Simplify right side
    145,282,709,034.40x = 19,439,557,408,601,633,980,416
  5. Step 5: Solve for x
    x = 19,439,557,408,601,633,980,416/145,282,709,034.40
  6. Step 6: Final answer
    x = 133,805,031,154.80

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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.