Home / 157,468,812.60-236,203,218.90-99,648,031.80

Finding the Fourth Proportional to 157,468,812.60, 236,203,218.90 and 99,648,031.80

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Solution

The fourth proportional to 157,468,812.60, 236,203,218.90 and 99,648,031.80 is: 149,472,047.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,468,812.60 : 236,203,218.90 = 99,648,031.80 : x
  2. Step 2: Convert to fraction form
    157,468,812.60/236,203,218.90 = 99,648,031.80/x
  3. Step 3: Cross multiply
    157,468,812.60x = 236,203,218.90 × 99,648,031.80
  4. Step 4: Simplify right side
    157,468,812.60x = 23,537,185,868,209,560
  5. Step 5: Solve for x
    x = 23,537,185,868,209,560/157,468,812.60
  6. Step 6: Final answer
    x = 149,472,047.70

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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.