Home / 430,075,205.18-645,110,966.59-119,181,933.14

Finding the Fourth Proportional to 430,075,205.18, 645,110,966.59 and 119,181,933.14

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Solution

The fourth proportional to 430,075,205.18, 645,110,966.59 and 119,181,933.14 is: 178,772,389.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,075,205.18 : 645,110,966.59 = 119,181,933.14 : x
  2. Step 2: Convert to fraction form
    430,075,205.18/645,110,966.59 = 119,181,933.14/x
  3. Step 3: Cross multiply
    430,075,205.18x = 645,110,966.59 × 119,181,933.14
  4. Step 4: Simplify right side
    430,075,205.18x = 76,885,572,084,486,640
  5. Step 5: Solve for x
    x = 76,885,572,084,486,640/430,075,205.18
  6. Step 6: Final answer
    x = 178,772,389.48

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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.