Home / 210,973,085.47-316,447,371.28-63,417,459.07

Finding the Fourth Proportional to 210,973,085.47, 316,447,371.28 and 63,417,459.07

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Solution

The fourth proportional to 210,973,085.47, 316,447,371.28 and 63,417,459.07 is: 95,122,504.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,973,085.47 : 316,447,371.28 = 63,417,459.07 : x
  2. Step 2: Convert to fraction form
    210,973,085.47/316,447,371.28 = 63,417,459.07/x
  3. Step 3: Cross multiply
    210,973,085.47x = 316,447,371.28 × 63,417,459.07
  4. Step 4: Simplify right side
    210,973,085.47x = 20,068,288,215,958,492
  5. Step 5: Solve for x
    x = 20,068,288,215,958,492/210,973,085.47
  6. Step 6: Final answer
    x = 95,122,504.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.