Home / 102,779,312.50-154,209,319.44-45,231,215.32

Finding the Fourth Proportional to 102,779,312.50, 154,209,319.44 and 45,231,215.32

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Solution

The fourth proportional to 102,779,312.50, 154,209,319.44 and 45,231,215.32 is: 67,864,580.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,779,312.50 : 154,209,319.44 = 45,231,215.32 : x
  2. Step 2: Convert to fraction form
    102,779,312.50/154,209,319.44 = 45,231,215.32/x
  3. Step 3: Cross multiply
    102,779,312.50x = 154,209,319.44 × 45,231,215.32
  4. Step 4: Simplify right side
    102,779,312.50x = 6,975,074,931,941,302
  5. Step 5: Solve for x
    x = 6,975,074,931,941,302/102,779,312.50
  6. Step 6: Final answer
    x = 67,864,580.55

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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.