Home / 113,610,015.20-170,415,022.80-86,736,159.20

Finding the Fourth Proportional to 113,610,015.20, 170,415,022.80 and 86,736,159.20

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Solution

The fourth proportional to 113,610,015.20, 170,415,022.80 and 86,736,159.20 is: 130,104,238.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,610,015.20 : 170,415,022.80 = 86,736,159.20 : x
  2. Step 2: Convert to fraction form
    113,610,015.20/170,415,022.80 = 86,736,159.20/x
  3. Step 3: Cross multiply
    113,610,015.20x = 170,415,022.80 × 86,736,159.20
  4. Step 4: Simplify right side
    113,610,015.20x = 14,781,144,547,652,432
  5. Step 5: Solve for x
    x = 14,781,144,547,652,432/113,610,015.20
  6. Step 6: Final answer
    x = 130,104,238.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.