Home / 102,001,557.12-140,758,547.76-55,590,889.92

Finding the Fourth Proportional to 102,001,557.12, 140,758,547.76 and 55,590,889.92

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Solution

The fourth proportional to 102,001,557.12, 140,758,547.76 and 55,590,889.92 is: 76,713,465.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,001,557.12 : 140,758,547.76 = 55,590,889.92 : x
  2. Step 2: Convert to fraction form
    102,001,557.12/140,758,547.76 = 55,590,889.92/x
  3. Step 3: Cross multiply
    102,001,557.12x = 140,758,547.76 × 55,590,889.92
  4. Step 4: Simplify right side
    102,001,557.12x = 7,824,892,933,825,222
  5. Step 5: Solve for x
    x = 7,824,892,933,825,222/102,001,557.12
  6. Step 6: Final answer
    x = 76,713,465.51

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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.