Home / 105,111,800.40-144,000,760.98-101,181,900.72

Finding the Fourth Proportional to 105,111,800.40, 144,000,760.98 and 101,181,900.72

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Solution

The fourth proportional to 105,111,800.40, 144,000,760.98 and 101,181,900.72 is: 138,616,888.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,111,800.40 : 144,000,760.98 = 101,181,900.72 : x
  2. Step 2: Convert to fraction form
    105,111,800.40/144,000,760.98 = 101,181,900.72/x
  3. Step 3: Cross multiply
    105,111,800.40x = 144,000,760.98 × 101,181,900.72
  4. Step 4: Simplify right side
    105,111,800.40x = 14,570,270,701,082,808
  5. Step 5: Solve for x
    x = 14,570,270,701,082,808/105,111,800.40
  6. Step 6: Final answer
    x = 138,616,888.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.