Home / 98,609,242.80-136,075,775.84-53,954,248.40

Finding the Fourth Proportional to 98,609,242.80, 136,075,775.84 and 53,954,248.40

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Solution

The fourth proportional to 98,609,242.80, 136,075,775.84 and 53,954,248.40 is: 74,454,138.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,609,242.80 : 136,075,775.84 = 53,954,248.40 : x
  2. Step 2: Convert to fraction form
    98,609,242.80/136,075,775.84 = 53,954,248.40/x
  3. Step 3: Cross multiply
    98,609,242.80x = 136,075,775.84 × 53,954,248.40
  4. Step 4: Simplify right side
    98,609,242.80x = 7,341,866,210,894,079
  5. Step 5: Solve for x
    x = 7,341,866,210,894,079/98,609,242.80
  6. Step 6: Final answer
    x = 74,454,138.40

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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.