Home / 153,069,130.56-211,235,339.52-83,454,568.32

Finding the Fourth Proportional to 153,069,130.56, 211,235,339.52 and 83,454,568.32

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Solution

The fourth proportional to 153,069,130.56, 211,235,339.52 and 83,454,568.32 is: 115,167,271.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,069,130.56 : 211,235,339.52 = 83,454,568.32 : x
  2. Step 2: Convert to fraction form
    153,069,130.56/211,235,339.52 = 83,454,568.32/x
  3. Step 3: Cross multiply
    153,069,130.56x = 211,235,339.52 × 83,454,568.32
  4. Step 4: Simplify right side
    153,069,130.56x = 17,628,554,073,570,236
  5. Step 5: Solve for x
    x = 17,628,554,073,570,236/153,069,130.56
  6. Step 6: Final answer
    x = 115,167,271.21

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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.