Home / 101,112,237,784.02-139,481,986,735.80-62,518,820,888.64

Finding the Fourth Proportional to 101,112,237,784.02, 139,481,986,735.80 and 62,518,820,888.64

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Solution

The fourth proportional to 101,112,237,784.02, 139,481,986,735.80 and 62,518,820,888.64 is: 86,243,263,298.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,112,237,784.02 : 139,481,986,735.80 = 62,518,820,888.64 : x
  2. Step 2: Convert to fraction form
    101,112,237,784.02/139,481,986,735.80 = 62,518,820,888.64/x
  3. Step 3: Cross multiply
    101,112,237,784.02x = 139,481,986,735.80 × 62,518,820,888.64
  4. Step 4: Simplify right side
    101,112,237,784.02x = 8,720,249,345,927,140,081,664
  5. Step 5: Solve for x
    x = 8,720,249,345,927,140,081,664/101,112,237,784.02
  6. Step 6: Final answer
    x = 86,243,263,298.69

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1.5x scale

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.