Home / 56,658,870.20-84,925,319.70-31,118,209.40

Finding the Fourth Proportional to 56,658,870.20, 84,925,319.70 and 31,118,209.40

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Solution

The fourth proportional to 56,658,870.20, 84,925,319.70 and 31,118,209.40 is: 46,642,721.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,658,870.20 : 84,925,319.70 = 31,118,209.40 : x
  2. Step 2: Convert to fraction form
    56,658,870.20/84,925,319.70 = 31,118,209.40/x
  3. Step 3: Cross multiply
    56,658,870.20x = 84,925,319.70 × 31,118,209.40
  4. Step 4: Simplify right side
    56,658,870.20x = 2,642,723,881,786,545
  5. Step 5: Solve for x
    x = 2,642,723,881,786,545/56,658,870.20
  6. Step 6: Final answer
    x = 46,642,721.12

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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.