Home / 249,930,021.96-375,136,843.86-120,628,652.76

Finding the Fourth Proportional to 249,930,021.96, 375,136,843.86 and 120,628,652.76

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Solution

The fourth proportional to 249,930,021.96, 375,136,843.86 and 120,628,652.76 is: 181,059,689.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,930,021.96 : 375,136,843.86 = 120,628,652.76 : x
  2. Step 2: Convert to fraction form
    249,930,021.96/375,136,843.86 = 120,628,652.76/x
  3. Step 3: Cross multiply
    249,930,021.96x = 375,136,843.86 × 120,628,652.76
  4. Step 4: Simplify right side
    249,930,021.96x = 45,252,252,075,470,280
  5. Step 5: Solve for x
    x = 45,252,252,075,470,280/249,930,021.96
  6. Step 6: Final answer
    x = 181,059,689.11

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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.