Home / 113,918,966.64-157,208,928.78-61,708,002.36

Finding the Fourth Proportional to 113,918,966.64, 157,208,928.78 and 61,708,002.36

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Solution

The fourth proportional to 113,918,966.64, 157,208,928.78 and 61,708,002.36 is: 85,157,452.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,918,966.64 : 157,208,928.78 = 61,708,002.36 : x
  2. Step 2: Convert to fraction form
    113,918,966.64/157,208,928.78 = 61,708,002.36/x
  3. Step 3: Cross multiply
    113,918,966.64x = 157,208,928.78 × 61,708,002.36
  4. Step 4: Simplify right side
    113,918,966.64x = 9,701,048,948,169,312
  5. Step 5: Solve for x
    x = 9,701,048,948,169,312/113,918,966.64
  6. Step 6: Final answer
    x = 85,157,452.13

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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.