Home / 145,937,402.40-201,395,971.44-79,863,641.76

Finding the Fourth Proportional to 145,937,402.40, 201,395,971.44 and 79,863,641.76

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Solution

The fourth proportional to 145,937,402.40, 201,395,971.44 and 79,863,641.76 is: 110,213,115.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,937,402.40 : 201,395,971.44 = 79,863,641.76 : x
  2. Step 2: Convert to fraction form
    145,937,402.40/201,395,971.44 = 79,863,641.76/x
  3. Step 3: Cross multiply
    145,937,402.40x = 201,395,971.44 × 79,863,641.76
  4. Step 4: Simplify right side
    145,937,402.40x = 16,084,215,714,991,352
  5. Step 5: Solve for x
    x = 16,084,215,714,991,352/145,937,402.40
  6. Step 6: Final answer
    x = 110,213,115.01

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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.