Home / 115,134,218.40-158,884,962.84-65,574,588.72

Finding the Fourth Proportional to 115,134,218.40, 158,884,962.84 and 65,574,588.72

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Solution

The fourth proportional to 115,134,218.40, 158,884,962.84 and 65,574,588.72 is: 90,492,785.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,134,218.40 : 158,884,962.84 = 65,574,588.72 : x
  2. Step 2: Convert to fraction form
    115,134,218.40/158,884,962.84 = 65,574,588.72/x
  3. Step 3: Cross multiply
    115,134,218.40x = 158,884,962.84 × 65,574,588.72
  4. Step 4: Simplify right side
    115,134,218.40x = 10,418,816,092,025,484
  5. Step 5: Solve for x
    x = 10,418,816,092,025,484/115,134,218.40
  6. Step 6: Final answer
    x = 90,492,785.18

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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.