Home / 153,002,313.18-211,137,790.59-83,386,312.38

Finding the Fourth Proportional to 153,002,313.18, 211,137,790.59 and 83,386,312.38

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Solution

The fourth proportional to 153,002,313.18, 211,137,790.59 and 83,386,312.38 is: 115,070,167.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,002,313.18 : 211,137,790.59 = 83,386,312.38 : x
  2. Step 2: Convert to fraction form
    153,002,313.18/211,137,790.59 = 83,386,312.38/x
  3. Step 3: Cross multiply
    153,002,313.18x = 211,137,790.59 × 83,386,312.38
  4. Step 4: Simplify right side
    153,002,313.18x = 17,606,001,761,360,764
  5. Step 5: Solve for x
    x = 17,606,001,761,360,764/153,002,313.18
  6. Step 6: Final answer
    x = 115,070,167.21

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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.