Home / 153,549,289.73-211,846,281.05-87,423,000.59

Finding the Fourth Proportional to 153,549,289.73, 211,846,281.05 and 87,423,000.59

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Solution

The fourth proportional to 153,549,289.73, 211,846,281.05 and 87,423,000.59 is: 120,614,283.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,549,289.73 : 211,846,281.05 = 87,423,000.59 : x
  2. Step 2: Convert to fraction form
    153,549,289.73/211,846,281.05 = 87,423,000.59/x
  3. Step 3: Cross multiply
    153,549,289.73x = 211,846,281.05 × 87,423,000.59
  4. Step 4: Simplify right side
    153,549,289.73x = 18,520,237,553,971,632
  5. Step 5: Solve for x
    x = 18,520,237,553,971,632/153,549,289.73
  6. Step 6: Final answer
    x = 120,614,283.44

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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.