Home / 128,860,365.24-177,827,330.34-70,913,613.24

Finding the Fourth Proportional to 128,860,365.24, 177,827,330.34 and 70,913,613.24

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Solution

The fourth proportional to 128,860,365.24, 177,827,330.34 and 70,913,613.24 is: 97,860,800.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,860,365.24 : 177,827,330.34 = 70,913,613.24 : x
  2. Step 2: Convert to fraction form
    128,860,365.24/177,827,330.34 = 70,913,613.24/x
  3. Step 3: Cross multiply
    128,860,365.24x = 177,827,330.34 × 70,913,613.24
  4. Step 4: Simplify right side
    128,860,365.24x = 12,610,378,527,232,478
  5. Step 5: Solve for x
    x = 12,610,378,527,232,478/128,860,365.24
  6. Step 6: Final answer
    x = 97,860,800.75

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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.