Home / 153,033,965.40-211,185,153.27-83,417,818.80

Finding the Fourth Proportional to 153,033,965.40, 211,185,153.27 and 83,417,818.80

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Solution

The fourth proportional to 153,033,965.40, 211,185,153.27 and 83,417,818.80 is: 115,115,652.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,033,965.40 : 211,185,153.27 = 83,417,818.80 : x
  2. Step 2: Convert to fraction form
    153,033,965.40/211,185,153.27 = 83,417,818.80/x
  3. Step 3: Cross multiply
    153,033,965.40x = 211,185,153.27 × 83,417,818.80
  4. Step 4: Simplify right side
    153,033,965.40x = 17,616,604,848,727,088
  5. Step 5: Solve for x
    x = 17,616,604,848,727,088/153,033,965.40
  6. Step 6: Final answer
    x = 115,115,652.94

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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.