Home / 43,137,414,105.40-64,706,121,158.10-19,918,402,521.40

Finding the Fourth Proportional to 43,137,414,105.40, 64,706,121,158.10 and 19,918,402,521.40

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Solution

The fourth proportional to 43,137,414,105.40, 64,706,121,158.10 and 19,918,402,521.40 is: 29,877,603,782.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,137,414,105.40 : 64,706,121,158.10 = 19,918,402,521.40 : x
  2. Step 2: Convert to fraction form
    43,137,414,105.40/64,706,121,158.10 = 19,918,402,521.40/x
  3. Step 3: Cross multiply
    43,137,414,105.40x = 64,706,121,158.10 × 19,918,402,521.40
  4. Step 4: Simplify right side
    43,137,414,105.40x = 1,288,842,566,825,513,058,304
  5. Step 5: Solve for x
    x = 1,288,842,566,825,513,058,304/43,137,414,105.40
  6. Step 6: Final answer
    x = 29,877,603,782.10

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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.