Home / 130,616,544.40-180,248,499.92-71,075,809.80

Finding the Fourth Proportional to 130,616,544.40, 180,248,499.92 and 71,075,809.80

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Solution

The fourth proportional to 130,616,544.40, 180,248,499.92 and 71,075,809.80 is: 98,083,348.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,616,544.40 : 180,248,499.92 = 71,075,809.80 : x
  2. Step 2: Convert to fraction form
    130,616,544.40/180,248,499.92 = 71,075,809.80/x
  3. Step 3: Cross multiply
    130,616,544.40x = 180,248,499.92 × 71,075,809.80
  4. Step 4: Simplify right side
    130,616,544.40x = 12,811,308,097,226,926
  5. Step 5: Solve for x
    x = 12,811,308,097,226,926/130,616,544.40
  6. Step 6: Final answer
    x = 98,083,348.91

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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.