Home / 153,033,964.15-211,185,151.55-83,417,817.55

Finding the Fourth Proportional to 153,033,964.15, 211,185,151.55 and 83,417,817.55

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Solution

The fourth proportional to 153,033,964.15, 211,185,151.55 and 83,417,817.55 is: 115,115,651.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,033,964.15 : 211,185,151.55 = 83,417,817.55 : x
  2. Step 2: Convert to fraction form
    153,033,964.15/211,185,151.55 = 83,417,817.55/x
  3. Step 3: Cross multiply
    153,033,964.15x = 211,185,151.55 × 83,417,817.55
  4. Step 4: Simplify right side
    153,033,964.15x = 17,616,604,440,849,908
  5. Step 5: Solve for x
    x = 17,616,604,440,849,908/153,033,964.15
  6. Step 6: Final answer
    x = 115,115,651.21

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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.