Home / 212,900,840.64-319,369,370.40-59,547,000.96

Finding the Fourth Proportional to 212,900,840.64, 319,369,370.40 and 59,547,000.96

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Solution

The fourth proportional to 212,900,840.64, 319,369,370.40 and 59,547,000.96 is: 89,325,566.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,900,840.64 : 319,369,370.40 = 59,547,000.96 : x
  2. Step 2: Convert to fraction form
    212,900,840.64/319,369,370.40 = 59,547,000.96/x
  3. Step 3: Cross multiply
    212,900,840.64x = 319,369,370.40 × 59,547,000.96
  4. Step 4: Simplify right side
    212,900,840.64x = 19,017,488,205,803,396
  5. Step 5: Solve for x
    x = 19,017,488,205,803,396/212,900,840.64
  6. Step 6: Final answer
    x = 89,325,566.53

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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.