Home / 209,953,869.20-314,930,803.80-152,133,088.40

Finding the Fourth Proportional to 209,953,869.20, 314,930,803.80 and 152,133,088.40

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Solution

The fourth proportional to 209,953,869.20, 314,930,803.80 and 152,133,088.40 is: 228,199,632.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,869.20 : 314,930,803.80 = 152,133,088.40 : x
  2. Step 2: Convert to fraction form
    209,953,869.20/314,930,803.80 = 152,133,088.40/x
  3. Step 3: Cross multiply
    209,953,869.20x = 314,930,803.80 × 152,133,088.40
  4. Step 4: Simplify right side
    209,953,869.20x = 47,911,395,814,388,456
  5. Step 5: Solve for x
    x = 47,911,395,814,388,456/209,953,869.20
  6. Step 6: Final answer
    x = 228,199,632.60

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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.