Home / 157,736,330.01-217,676,810.85-86,210,656.33

Finding the Fourth Proportional to 157,736,330.01, 217,676,810.85 and 86,210,656.33

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Solution

The fourth proportional to 157,736,330.01, 217,676,810.85 and 86,210,656.33 is: 118,971,074.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,736,330.01 : 217,676,810.85 = 86,210,656.33 : x
  2. Step 2: Convert to fraction form
    157,736,330.01/217,676,810.85 = 86,210,656.33/x
  3. Step 3: Cross multiply
    157,736,330.01x = 217,676,810.85 × 86,210,656.33
  4. Step 4: Simplify right side
    157,736,330.01x = 18,766,060,731,102,288
  5. Step 5: Solve for x
    x = 18,766,060,731,102,288/157,736,330.01
  6. Step 6: Final answer
    x = 118,971,074.89

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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.