Home / 157,090,617.34-216,681,173.65-98,251,130.58

Finding the Fourth Proportional to 157,090,617.34, 216,681,173.65 and 98,251,130.58

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Solution

The fourth proportional to 157,090,617.34, 216,681,173.65 and 98,251,130.58 is: 135,521,590.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,090,617.34 : 216,681,173.65 = 98,251,130.58 : x
  2. Step 2: Convert to fraction form
    157,090,617.34/216,681,173.65 = 98,251,130.58/x
  3. Step 3: Cross multiply
    157,090,617.34x = 216,681,173.65 × 98,251,130.58
  4. Step 4: Simplify right side
    157,090,617.34x = 21,289,170,286,513,804
  5. Step 5: Solve for x
    x = 21,289,170,286,513,804/157,090,617.34
  6. Step 6: Final answer
    x = 135,521,590.32

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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.