Home / 142,387,585.84-213,581,728.80-40,152,159.28

Finding the Fourth Proportional to 142,387,585.84, 213,581,728.80 and 40,152,159.28

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Solution

The fourth proportional to 142,387,585.84, 213,581,728.80 and 40,152,159.28 is: 60,228,337.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,387,585.84 : 213,581,728.80 = 40,152,159.28 : x
  2. Step 2: Convert to fraction form
    142,387,585.84/213,581,728.80 = 40,152,159.28/x
  3. Step 3: Cross multiply
    142,387,585.84x = 213,581,728.80 × 40,152,159.28
  4. Step 4: Simplify right side
    142,387,585.84x = 8,575,767,594,075,364
  5. Step 5: Solve for x
    x = 8,575,767,594,075,364/142,387,585.84
  6. Step 6: Final answer
    x = 60,228,337.63

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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.