Home / 291,902,870.40-437,854,305.60-97,749,758.40

Finding the Fourth Proportional to 291,902,870.40, 437,854,305.60 and 97,749,758.40

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Solution

The fourth proportional to 291,902,870.40, 437,854,305.60 and 97,749,758.40 is: 146,624,637.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,902,870.40 : 437,854,305.60 = 97,749,758.40 : x
  2. Step 2: Convert to fraction form
    291,902,870.40/437,854,305.60 = 97,749,758.40/x
  3. Step 3: Cross multiply
    291,902,870.40x = 437,854,305.60 × 97,749,758.40
  4. Step 4: Simplify right side
    291,902,870.40x = 42,800,152,586,799,768
  5. Step 5: Solve for x
    x = 42,800,152,586,799,768/291,902,870.40
  6. Step 6: Final answer
    x = 146,624,637.60

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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.