Home / 105,111,307.15-144,000,083.63-101,181,406.66

Finding the Fourth Proportional to 105,111,307.15, 144,000,083.63 and 101,181,406.66

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Solution

The fourth proportional to 105,111,307.15, 144,000,083.63 and 101,181,406.66 is: 138,616,209.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,111,307.15 : 144,000,083.63 = 101,181,406.66 : x
  2. Step 2: Convert to fraction form
    105,111,307.15/144,000,083.63 = 101,181,406.66/x
  3. Step 3: Cross multiply
    105,111,307.15x = 144,000,083.63 × 101,181,406.66
  4. Step 4: Simplify right side
    105,111,307.15x = 14,570,131,020,841,038
  5. Step 5: Solve for x
    x = 14,570,131,020,841,038/105,111,307.15
  6. Step 6: Final answer
    x = 138,616,209.96

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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.