Home / 255,346,972.40-383,074,259.16-82,810,332.74

Finding the Fourth Proportional to 255,346,972.40, 383,074,259.16 and 82,810,332.74

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Solution

The fourth proportional to 255,346,972.40, 383,074,259.16 and 82,810,332.74 is: 124,232,946.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,346,972.40 : 383,074,259.16 = 82,810,332.74 : x
  2. Step 2: Convert to fraction form
    255,346,972.40/383,074,259.16 = 82,810,332.74/x
  3. Step 3: Cross multiply
    255,346,972.40x = 383,074,259.16 × 82,810,332.74
  4. Step 4: Simplify right side
    255,346,972.40x = 31,722,506,865,168,592
  5. Step 5: Solve for x
    x = 31,722,506,865,168,592/255,346,972.40
  6. Step 6: Final answer
    x = 124,232,946.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.