Home / 101,995,280.10-152,992,920.15-86,211,482.40

Finding the Fourth Proportional to 101,995,280.10, 152,992,920.15 and 86,211,482.40

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Solution

The fourth proportional to 101,995,280.10, 152,992,920.15 and 86,211,482.40 is: 129,317,223.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,995,280.10 : 152,992,920.15 = 86,211,482.40 : x
  2. Step 2: Convert to fraction form
    101,995,280.10/152,992,920.15 = 86,211,482.40/x
  3. Step 3: Cross multiply
    101,995,280.10x = 152,992,920.15 × 86,211,482.40
  4. Step 4: Simplify right side
    101,995,280.10x = 13,189,746,442,836,332
  5. Step 5: Solve for x
    x = 13,189,746,442,836,332/101,995,280.10
  6. Step 6: Final answer
    x = 129,317,223.60

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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.