Home / 156,843,244.07-216,442,482.28-86,277,338.65

Finding the Fourth Proportional to 156,843,244.07, 216,442,482.28 and 86,277,338.65

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Solution

The fourth proportional to 156,843,244.07, 216,442,482.28 and 86,277,338.65 is: 119,062,070.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,843,244.07 : 216,442,482.28 = 86,277,338.65 : x
  2. Step 2: Convert to fraction form
    156,843,244.07/216,442,482.28 = 86,277,338.65/x
  3. Step 3: Cross multiply
    156,843,244.07x = 216,442,482.28 × 86,277,338.65
  4. Step 4: Simplify right side
    156,843,244.07x = 18,674,081,341,918,184
  5. Step 5: Solve for x
    x = 18,674,081,341,918,184/156,843,244.07
  6. Step 6: Final answer
    x = 119,062,070.24

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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.