Home / 145,213,309.60-217,819,964.40-112,334,826.40

Finding the Fourth Proportional to 145,213,309.60, 217,819,964.40 and 112,334,826.40

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Solution

The fourth proportional to 145,213,309.60, 217,819,964.40 and 112,334,826.40 is: 168,502,239.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,213,309.60 : 217,819,964.40 = 112,334,826.40 : x
  2. Step 2: Convert to fraction form
    145,213,309.60/217,819,964.40 = 112,334,826.40/x
  3. Step 3: Cross multiply
    145,213,309.60x = 217,819,964.40 × 112,334,826.40
  4. Step 4: Simplify right side
    145,213,309.60x = 24,468,767,887,328,184
  5. Step 5: Solve for x
    x = 24,468,767,887,328,184/145,213,309.60
  6. Step 6: Final answer
    x = 168,502,239.60

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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.