Home / 162,289,816,602.60-223,960,210,380.72-90,031,883,320.20

Finding the Fourth Proportional to 162,289,816,602.60, 223,960,210,380.72 and 90,031,883,320.20

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Solution

The fourth proportional to 162,289,816,602.60, 223,960,210,380.72 and 90,031,883,320.20 is: 124,244,145,143.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,289,816,602.60 : 223,960,210,380.72 = 90,031,883,320.20 : x
  2. Step 2: Convert to fraction form
    162,289,816,602.60/223,960,210,380.72 = 90,031,883,320.20/x
  3. Step 3: Cross multiply
    162,289,816,602.60x = 223,960,210,380.72 × 90,031,883,320.20
  4. Step 4: Simplify right side
    162,289,816,602.60x = 20,163,559,529,364,427,112,448
  5. Step 5: Solve for x
    x = 20,163,559,529,364,427,112,448/162,289,816,602.60
  6. Step 6: Final answer
    x = 124,244,145,143.99

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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.