Home / 118,356,516.52-163,337,038.20-66,145,551.10

Finding the Fourth Proportional to 118,356,516.52, 163,337,038.20 and 66,145,551.10

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Solution

The fourth proportional to 118,356,516.52, 163,337,038.20 and 66,145,551.10 is: 91,283,680.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,356,516.52 : 163,337,038.20 = 66,145,551.10 : x
  2. Step 2: Convert to fraction form
    118,356,516.52/163,337,038.20 = 66,145,551.10/x
  3. Step 3: Cross multiply
    118,356,516.52x = 163,337,038.20 × 66,145,551.10
  4. Step 4: Simplify right side
    118,356,516.52x = 10,804,018,406,780,752
  5. Step 5: Solve for x
    x = 10,804,018,406,780,752/118,356,516.52
  6. Step 6: Final answer
    x = 91,283,680.23

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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.