Home / 157,436,397.77-217,340,886.15-97,916,878.69

Finding the Fourth Proportional to 157,436,397.77, 217,340,886.15 and 97,916,878.69

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Solution

The fourth proportional to 157,436,397.77, 217,340,886.15 and 97,916,878.69 is: 135,174,213.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,436,397.77 : 217,340,886.15 = 97,916,878.69 : x
  2. Step 2: Convert to fraction form
    157,436,397.77/217,340,886.15 = 97,916,878.69/x
  3. Step 3: Cross multiply
    157,436,397.77x = 217,340,886.15 × 97,916,878.69
  4. Step 4: Simplify right side
    157,436,397.77x = 21,281,341,182,983,300
  5. Step 5: Solve for x
    x = 21,281,341,182,983,300/157,436,397.77
  6. Step 6: Final answer
    x = 135,174,213.11

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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.