Home / 147,988,068.09-221,881,208.52-75,064,231.61

Finding the Fourth Proportional to 147,988,068.09, 221,881,208.52 and 75,064,231.61

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Solution

The fourth proportional to 147,988,068.09, 221,881,208.52 and 75,064,231.61 is: 112,545,170.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,988,068.09 : 221,881,208.52 = 75,064,231.61 : x
  2. Step 2: Convert to fraction form
    147,988,068.09/221,881,208.52 = 75,064,231.61/x
  3. Step 3: Cross multiply
    147,988,068.09x = 221,881,208.52 × 75,064,231.61
  4. Step 4: Simplify right side
    147,988,068.09x = 16,655,342,426,256,126
  5. Step 5: Solve for x
    x = 16,655,342,426,256,126/147,988,068.09
  6. Step 6: Final answer
    x = 112,545,170.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.