Home / 105,872,001.80-158,808,002.70-45,293,851.40

Finding the Fourth Proportional to 105,872,001.80, 158,808,002.70 and 45,293,851.40

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Solution

The fourth proportional to 105,872,001.80, 158,808,002.70 and 45,293,851.40 is: 67,940,777.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,872,001.80 : 158,808,002.70 = 45,293,851.40 : x
  2. Step 2: Convert to fraction form
    105,872,001.80/158,808,002.70 = 45,293,851.40/x
  3. Step 3: Cross multiply
    105,872,001.80x = 158,808,002.70 × 45,293,851.40
  4. Step 4: Simplify right side
    105,872,001.80x = 7,193,026,075,424,598
  5. Step 5: Solve for x
    x = 7,193,026,075,424,598/105,872,001.80
  6. Step 6: Final answer
    x = 67,940,777.10

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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.