Home / 147,510,598.80-203,559,291.47-81,429,678.17

Finding the Fourth Proportional to 147,510,598.80, 203,559,291.47 and 81,429,678.17

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Solution

The fourth proportional to 147,510,598.80, 203,559,291.47 and 81,429,678.17 is: 112,370,010.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,510,598.80 : 203,559,291.47 = 81,429,678.17 : x
  2. Step 2: Convert to fraction form
    147,510,598.80/203,559,291.47 = 81,429,678.17/x
  3. Step 3: Cross multiply
    147,510,598.80x = 203,559,291.47 × 81,429,678.17
  4. Step 4: Simplify right side
    147,510,598.80x = 16,575,767,592,864,046
  5. Step 5: Solve for x
    x = 16,575,767,592,864,046/147,510,598.80
  6. Step 6: Final answer
    x = 112,370,010.88

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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.