Home / 152,455,146.32-210,389,430.60-82,840,526.84

Finding the Fourth Proportional to 152,455,146.32, 210,389,430.60 and 82,840,526.84

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Solution

The fourth proportional to 152,455,146.32, 210,389,430.60 and 82,840,526.84 is: 114,320,649.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,455,146.32 : 210,389,430.60 = 82,840,526.84 : x
  2. Step 2: Convert to fraction form
    152,455,146.32/210,389,430.60 = 82,840,526.84/x
  3. Step 3: Cross multiply
    152,455,146.32x = 210,389,430.60 × 82,840,526.84
  4. Step 4: Simplify right side
    152,455,146.32x = 17,428,771,272,471,618
  5. Step 5: Solve for x
    x = 17,428,771,272,471,618/152,455,146.32
  6. Step 6: Final answer
    x = 114,320,649.01

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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.