Home / 153,334,521.04-211,576,681.20-90,601,896.16

Finding the Fourth Proportional to 153,334,521.04, 211,576,681.20 and 90,601,896.16

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Solution

The fourth proportional to 153,334,521.04, 211,576,681.20 and 90,601,896.16 is: 125,015,869.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,334,521.04 : 211,576,681.20 = 90,601,896.16 : x
  2. Step 2: Convert to fraction form
    153,334,521.04/211,576,681.20 = 90,601,896.16/x
  3. Step 3: Cross multiply
    153,334,521.04x = 211,576,681.20 × 90,601,896.16
  4. Step 4: Simplify right side
    153,334,521.04x = 19,169,248,499,959,824
  5. Step 5: Solve for x
    x = 19,169,248,499,959,824/153,334,521.04
  6. Step 6: Final answer
    x = 125,015,869.68

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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.