Home / 291,490,389.60-437,258,188.80-97,402,498.80

Finding the Fourth Proportional to 291,490,389.60, 437,258,188.80 and 97,402,498.80

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Solution

The fourth proportional to 291,490,389.60, 437,258,188.80 and 97,402,498.80 is: 146,111,301.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,490,389.60 : 437,258,188.80 = 97,402,498.80 : x
  2. Step 2: Convert to fraction form
    291,490,389.60/437,258,188.80 = 97,402,498.80/x
  3. Step 3: Cross multiply
    291,490,389.60x = 437,258,188.80 × 97,402,498.80
  4. Step 4: Simplify right side
    291,490,389.60x = 42,590,040,209,882,176
  5. Step 5: Solve for x
    x = 42,590,040,209,882,176/291,490,389.60
  6. Step 6: Final answer
    x = 146,111,301.54

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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.