Home / 229,849,785.09-317,199,402-125,434,581.93

Finding the Fourth Proportional to 229,849,785.09, 317,199,402 and 125,434,581.93

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Solution

The fourth proportional to 229,849,785.09, 317,199,402 and 125,434,581.93 is: 173,103,378.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,849,785.09 : 317,199,402 = 125,434,581.93 : x
  2. Step 2: Convert to fraction form
    229,849,785.09/317,199,402 = 125,434,581.93/x
  3. Step 3: Cross multiply
    229,849,785.09x = 317,199,402 × 125,434,581.93
  4. Step 4: Simplify right side
    229,849,785.09x = 39,787,774,378,316,008
  5. Step 5: Solve for x
    x = 39,787,774,378,316,008/229,849,785.09
  6. Step 6: Final answer
    x = 173,103,378.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.