Home / 162,289,816,599.60-223,960,210,376.58-90,031,883,317.20

Finding the Fourth Proportional to 162,289,816,599.60, 223,960,210,376.58 and 90,031,883,317.20

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Solution

The fourth proportional to 162,289,816,599.60, 223,960,210,376.58 and 90,031,883,317.20 is: 124,244,145,139.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,289,816,599.60 : 223,960,210,376.58 = 90,031,883,317.20 : x
  2. Step 2: Convert to fraction form
    162,289,816,599.60/223,960,210,376.58 = 90,031,883,317.20/x
  3. Step 3: Cross multiply
    162,289,816,599.60x = 223,960,210,376.58 × 90,031,883,317.20
  4. Step 4: Simplify right side
    162,289,816,599.60x = 20,163,559,528,319,814,729,728
  5. Step 5: Solve for x
    x = 20,163,559,528,319,814,729,728/162,289,816,599.60
  6. Step 6: Final answer
    x = 124,244,145,139.85

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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.