Home / 152,596,915.64-210,585,243.12-82,983,809.24

Finding the Fourth Proportional to 152,596,915.64, 210,585,243.12 and 82,983,809.24

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Solution

The fourth proportional to 152,596,915.64, 210,585,243.12 and 82,983,809.24 is: 114,518,472.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,596,915.64 : 210,585,243.12 = 82,983,809.24 : x
  2. Step 2: Convert to fraction form
    152,596,915.64/210,585,243.12 = 82,983,809.24/x
  3. Step 3: Cross multiply
    152,596,915.64x = 210,585,243.12 × 82,983,809.24
  4. Step 4: Simplify right side
    152,596,915.64x = 17,475,165,643,829,102
  5. Step 5: Solve for x
    x = 17,475,165,643,829,102/152,596,915.64
  6. Step 6: Final answer
    x = 114,518,472.22

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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.