Home / 185,239,386.40-255,676,807.20-125,801,253.04

Finding the Fourth Proportional to 185,239,386.40, 255,676,807.20 and 125,801,253.04

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Solution

The fourth proportional to 185,239,386.40, 255,676,807.20 and 125,801,253.04 is: 173,637,277.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,239,386.40 : 255,676,807.20 = 125,801,253.04 : x
  2. Step 2: Convert to fraction form
    185,239,386.40/255,676,807.20 = 125,801,253.04/x
  3. Step 3: Cross multiply
    185,239,386.40x = 255,676,807.20 × 125,801,253.04
  4. Step 4: Simplify right side
    185,239,386.40x = 32,164,462,719,026,496
  5. Step 5: Solve for x
    x = 32,164,462,719,026,496/185,239,386.40
  6. Step 6: Final answer
    x = 173,637,277.39

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1.5x scale

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.