Home / 105,030,229.23-144,768,243.06-70,210,214.91

Finding the Fourth Proportional to 105,030,229.23, 144,768,243.06 and 70,210,214.91

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Solution

The fourth proportional to 105,030,229.23, 144,768,243.06 and 70,210,214.91 is: 96,774,133.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,030,229.23 : 144,768,243.06 = 70,210,214.91 : x
  2. Step 2: Convert to fraction form
    105,030,229.23/144,768,243.06 = 70,210,214.91/x
  3. Step 3: Cross multiply
    105,030,229.23x = 144,768,243.06 × 70,210,214.91
  4. Step 4: Simplify right side
    105,030,229.23x = 10,164,209,457,385,716
  5. Step 5: Solve for x
    x = 10,164,209,457,385,716/105,030,229.23
  6. Step 6: Final answer
    x = 96,774,133.81

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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.