Home / 157,219,965.42-216,960,646.14-85,693,463.34

Finding the Fourth Proportional to 157,219,965.42, 216,960,646.14 and 85,693,463.34

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Solution

The fourth proportional to 157,219,965.42, 216,960,646.14 and 85,693,463.34 is: 118,255,395.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,219,965.42 : 216,960,646.14 = 85,693,463.34 : x
  2. Step 2: Convert to fraction form
    157,219,965.42/216,960,646.14 = 85,693,463.34/x
  3. Step 3: Cross multiply
    157,219,965.42x = 216,960,646.14 × 85,693,463.34
  4. Step 4: Simplify right side
    157,219,965.42x = 18,592,109,176,220,804
  5. Step 5: Solve for x
    x = 18,592,109,176,220,804/157,219,965.42
  6. Step 6: Final answer
    x = 118,255,395.40

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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.