Home / 113,918,966.11-157,208,928.06-61,708,001.77

Finding the Fourth Proportional to 113,918,966.11, 157,208,928.06 and 61,708,001.77

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Solution

The fourth proportional to 113,918,966.11, 157,208,928.06 and 61,708,001.77 is: 85,157,451.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,918,966.11 : 157,208,928.06 = 61,708,001.77 : x
  2. Step 2: Convert to fraction form
    113,918,966.11/157,208,928.06 = 61,708,001.77/x
  3. Step 3: Cross multiply
    113,918,966.11x = 157,208,928.06 × 61,708,001.77
  4. Step 4: Simplify right side
    113,918,966.11x = 9,701,048,810,986,284
  5. Step 5: Solve for x
    x = 9,701,048,810,986,284/113,918,966.11
  6. Step 6: Final answer
    x = 85,157,451.32

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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.