Home / 99,032,801.40-148,423,230.90-47,804,513.40

Finding the Fourth Proportional to 99,032,801.40, 148,423,230.90 and 47,804,513.40

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Solution

The fourth proportional to 99,032,801.40, 148,423,230.90 and 47,804,513.40 is: 71,645,962.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,032,801.40 : 148,423,230.90 = 47,804,513.40 : x
  2. Step 2: Convert to fraction form
    99,032,801.40/148,423,230.90 = 47,804,513.40/x
  3. Step 3: Cross multiply
    99,032,801.40x = 148,423,230.90 × 47,804,513.40
  4. Step 4: Simplify right side
    99,032,801.40x = 7,095,300,330,430,344
  5. Step 5: Solve for x
    x = 7,095,300,330,430,344/99,032,801.40
  6. Step 6: Final answer
    x = 71,645,962.05

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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.