Home / 157,781,202.16-217,733,880.72-88,167,155.08

Finding the Fourth Proportional to 157,781,202.16, 217,733,880.72 and 88,167,155.08

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Solution

The fourth proportional to 157,781,202.16, 217,733,880.72 and 88,167,155.08 is: 121,668,339.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,781,202.16 : 217,733,880.72 = 88,167,155.08 : x
  2. Step 2: Convert to fraction form
    157,781,202.16/217,733,880.72 = 88,167,155.08/x
  3. Step 3: Cross multiply
    157,781,202.16x = 217,733,880.72 × 88,167,155.08
  4. Step 4: Simplify right side
    157,781,202.16x = 19,196,976,827,610,460
  5. Step 5: Solve for x
    x = 19,196,976,827,610,460/157,781,202.16
  6. Step 6: Final answer
    x = 121,668,339.22

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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.