Home / 128,828,573.55-179,977,365.45-128,828,573.55

Finding the Fourth Proportional to 128,828,573.55, 179,977,365.45 and 128,828,573.55

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Solution

The fourth proportional to 128,828,573.55, 179,977,365.45 and 128,828,573.55 is: 179,977,365.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,828,573.55 : 179,977,365.45 = 128,828,573.55 : x
  2. Step 2: Convert to fraction form
    128,828,573.55/179,977,365.45 = 128,828,573.55/x
  3. Step 3: Cross multiply
    128,828,573.55x = 179,977,365.45 × 128,828,573.55
  4. Step 4: Simplify right side
    128,828,573.55x = 23,186,227,262,210,552
  5. Step 5: Solve for x
    x = 23,186,227,262,210,552/128,828,573.55
  6. Step 6: Final answer
    x = 179,977,365.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.