Home / 160,308,154.20-221,225,681.58-86,969,296.20

Finding the Fourth Proportional to 160,308,154.20, 221,225,681.58 and 86,969,296.20

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Solution

The fourth proportional to 160,308,154.20, 221,225,681.58 and 86,969,296.20 is: 120,017,861.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,308,154.20 : 221,225,681.58 = 86,969,296.20 : x
  2. Step 2: Convert to fraction form
    160,308,154.20/221,225,681.58 = 86,969,296.20/x
  3. Step 3: Cross multiply
    160,308,154.20x = 221,225,681.58 × 86,969,296.20
  4. Step 4: Simplify right side
    160,308,154.20x = 19,239,841,828,377,904
  5. Step 5: Solve for x
    x = 19,239,841,828,377,904/160,308,154.20
  6. Step 6: Final answer
    x = 120,017,861.38

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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.