Home / 153,010,774.12-211,162,338.30-86,050,802.20

Finding the Fourth Proportional to 153,010,774.12, 211,162,338.30 and 86,050,802.20

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Solution

The fourth proportional to 153,010,774.12, 211,162,338.30 and 86,050,802.20 is: 118,754,308.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,010,774.12 : 211,162,338.30 = 86,050,802.20 : x
  2. Step 2: Convert to fraction form
    153,010,774.12/211,162,338.30 = 86,050,802.20/x
  3. Step 3: Cross multiply
    153,010,774.12x = 211,162,338.30 × 86,050,802.20
  4. Step 4: Simplify right side
    153,010,774.12x = 18,170,688,605,142,784
  5. Step 5: Solve for x
    x = 18,170,688,605,142,784/153,010,774.12
  6. Step 6: Final answer
    x = 118,754,308.05

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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.