Home / 86,697,339.80-130,046,009.70-35,616,018.20

Finding the Fourth Proportional to 86,697,339.80, 130,046,009.70 and 35,616,018.20

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Solution

The fourth proportional to 86,697,339.80, 130,046,009.70 and 35,616,018.20 is: 53,424,027.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,697,339.80 : 130,046,009.70 = 35,616,018.20 : x
  2. Step 2: Convert to fraction form
    86,697,339.80/130,046,009.70 = 35,616,018.20/x
  3. Step 3: Cross multiply
    86,697,339.80x = 130,046,009.70 × 35,616,018.20
  4. Step 4: Simplify right side
    86,697,339.80x = 4,631,721,048,312,577
  5. Step 5: Solve for x
    x = 4,631,721,048,312,577/86,697,339.80
  6. Step 6: Final answer
    x = 53,424,027.30

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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.