Home / 90,502,084.83-124,895,482.16-49,251,590.67

Finding the Fourth Proportional to 90,502,084.83, 124,895,482.16 and 49,251,590.67

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Solution

The fourth proportional to 90,502,084.83, 124,895,482.16 and 49,251,590.67 is: 67,968,612.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,502,084.83 : 124,895,482.16 = 49,251,590.67 : x
  2. Step 2: Convert to fraction form
    90,502,084.83/124,895,482.16 = 49,251,590.67/x
  3. Step 3: Cross multiply
    90,502,084.83x = 124,895,482.16 × 49,251,590.67
  4. Step 4: Simplify right side
    90,502,084.83x = 6,151,301,163,630,350
  5. Step 5: Solve for x
    x = 6,151,301,163,630,350/90,502,084.83
  6. Step 6: Final answer
    x = 67,968,612.82

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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.