Home / 99,075,617.80-148,613,426.70-53,725,985.80

Finding the Fourth Proportional to 99,075,617.80, 148,613,426.70 and 53,725,985.80

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Solution

The fourth proportional to 99,075,617.80, 148,613,426.70 and 53,725,985.80 is: 80,588,978.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,075,617.80 : 148,613,426.70 = 53,725,985.80 : x
  2. Step 2: Convert to fraction form
    99,075,617.80/148,613,426.70 = 53,725,985.80/x
  3. Step 3: Cross multiply
    99,075,617.80x = 148,613,426.70 × 53,725,985.80
  4. Step 4: Simplify right side
    99,075,617.80x = 7,984,402,852,573,540
  5. Step 5: Solve for x
    x = 7,984,402,852,573,540/99,075,617.80
  6. Step 6: Final answer
    x = 80,588,978.70

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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.