Home / 70,858,931.40-106,288,397.10-61,900,979.40

Finding the Fourth Proportional to 70,858,931.40, 106,288,397.10 and 61,900,979.40

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Solution

The fourth proportional to 70,858,931.40, 106,288,397.10 and 61,900,979.40 is: 92,851,469.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,858,931.40 : 106,288,397.10 = 61,900,979.40 : x
  2. Step 2: Convert to fraction form
    70,858,931.40/106,288,397.10 = 61,900,979.40/x
  3. Step 3: Cross multiply
    70,858,931.40x = 106,288,397.10 × 61,900,979.40
  4. Step 4: Simplify right side
    70,858,931.40x = 6,579,355,879,346,119
  5. Step 5: Solve for x
    x = 6,579,355,879,346,119/70,858,931.40
  6. Step 6: Final answer
    x = 92,851,469.10

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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.