Home / 145,213,348.60-217,820,022.90-112,334,865.40

Finding the Fourth Proportional to 145,213,348.60, 217,820,022.90 and 112,334,865.40

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Solution

The fourth proportional to 145,213,348.60, 217,820,022.90 and 112,334,865.40 is: 168,502,298.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,213,348.60 : 217,820,022.90 = 112,334,865.40 : x
  2. Step 2: Convert to fraction form
    145,213,348.60/217,820,022.90 = 112,334,865.40/x
  3. Step 3: Cross multiply
    145,213,348.60x = 217,820,022.90 × 112,334,865.40
  4. Step 4: Simplify right side
    145,213,348.60x = 24,468,782,953,896,420
  5. Step 5: Solve for x
    x = 24,468,782,953,896,420/145,213,348.60
  6. Step 6: Final answer
    x = 168,502,298.10

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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.