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Finding the Fourth Proportional to 113,602,603.70, 170,403,905.55 and 99,572,561.30

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Solution

The fourth proportional to 113,602,603.70, 170,403,905.55 and 99,572,561.30 is: 149,358,841.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,602,603.70 : 170,403,905.55 = 99,572,561.30 : x
  2. Step 2: Convert to fraction form
    113,602,603.70/170,403,905.55 = 99,572,561.30/x
  3. Step 3: Cross multiply
    113,602,603.70x = 170,403,905.55 × 99,572,561.30
  4. Step 4: Simplify right side
    113,602,603.70x = 16,967,553,331,136,786
  5. Step 5: Solve for x
    x = 16,967,553,331,136,786/113,602,603.70
  6. Step 6: Final answer
    x = 149,358,841.95

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