Home / 113,911,978.64-157,198,536.28-61,701,032.64

Finding the Fourth Proportional to 113,911,978.64, 157,198,536.28 and 61,701,032.64

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Solution

The fourth proportional to 113,911,978.64, 157,198,536.28 and 61,701,032.64 is: 85,147,428.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,911,978.64 : 157,198,536.28 = 61,701,032.64 : x
  2. Step 2: Convert to fraction form
    113,911,978.64/157,198,536.28 = 61,701,032.64/x
  3. Step 3: Cross multiply
    113,911,978.64x = 157,198,536.28 × 61,701,032.64
  4. Step 4: Simplify right side
    113,911,978.64x = 9,699,312,017,972,504
  5. Step 5: Solve for x
    x = 9,699,312,017,972,504/113,911,978.64
  6. Step 6: Final answer
    x = 85,147,428.16

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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.