Home / 142,252,686.55-213,409,488.12-42,550,159.78

Finding the Fourth Proportional to 142,252,686.55, 213,409,488.12 and 42,550,159.78

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Solution

The fourth proportional to 142,252,686.55, 213,409,488.12 and 42,550,159.78 is: 63,834,350.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,252,686.55 : 213,409,488.12 = 42,550,159.78 : x
  2. Step 2: Convert to fraction form
    142,252,686.55/213,409,488.12 = 42,550,159.78/x
  3. Step 3: Cross multiply
    142,252,686.55x = 213,409,488.12 × 42,550,159.78
  4. Step 4: Simplify right side
    142,252,686.55x = 9,080,607,818,074,012
  5. Step 5: Solve for x
    x = 9,080,607,818,074,012/142,252,686.55
  6. Step 6: Final answer
    x = 63,834,350.26

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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.