Home / 133,139,319.79-183,732,510.97-74,401,985.22

Finding the Fourth Proportional to 133,139,319.79, 183,732,510.97 and 74,401,985.22

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Solution

The fourth proportional to 133,139,319.79, 183,732,510.97 and 74,401,985.22 is: 102,674,879.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,139,319.79 : 183,732,510.97 = 74,401,985.22 : x
  2. Step 2: Convert to fraction form
    133,139,319.79/183,732,510.97 = 74,401,985.22/x
  3. Step 3: Cross multiply
    133,139,319.79x = 183,732,510.97 × 74,401,985.22
  4. Step 4: Simplify right side
    133,139,319.79x = 13,670,063,565,623,428
  5. Step 5: Solve for x
    x = 13,670,063,565,623,428/133,139,319.79
  6. Step 6: Final answer
    x = 102,674,879.12

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.