Home / 101,596,779.51-140,203,446.80-55,187,068.11

Finding the Fourth Proportional to 101,596,779.51, 140,203,446.80 and 55,187,068.11

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Solution

The fourth proportional to 101,596,779.51, 140,203,446.80 and 55,187,068.11 is: 76,158,094.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,596,779.51 : 140,203,446.80 = 55,187,068.11 : x
  2. Step 2: Convert to fraction form
    101,596,779.51/140,203,446.80 = 55,187,068.11/x
  3. Step 3: Cross multiply
    101,596,779.51x = 140,203,446.80 × 55,187,068.11
  4. Step 4: Simplify right side
    101,596,779.51x = 7,737,417,167,532,425
  5. Step 5: Solve for x
    x = 7,737,417,167,532,425/101,596,779.51
  6. Step 6: Final answer
    x = 76,158,094.82

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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.