Home / 292,036,565.63-402,946,031.03-172,900,000.98

Finding the Fourth Proportional to 292,036,565.63, 402,946,031.03 and 172,900,000.98

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Solution

The fourth proportional to 292,036,565.63, 402,946,031.03 and 172,900,000.98 is: 238,563,855.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,036,565.63 : 402,946,031.03 = 172,900,000.98 : x
  2. Step 2: Convert to fraction form
    292,036,565.63/402,946,031.03 = 172,900,000.98/x
  3. Step 3: Cross multiply
    292,036,565.63x = 402,946,031.03 × 172,900,000.98
  4. Step 4: Simplify right side
    292,036,565.63x = 69,669,369,159,109,600
  5. Step 5: Solve for x
    x = 69,669,369,159,109,600/292,036,565.63
  6. Step 6: Final answer
    x = 238,563,855.89

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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.