Home / 65,834,482.19-98,680,445.53-42,821,862.17

Finding the Fourth Proportional to 65,834,482.19, 98,680,445.53 and 42,821,862.17

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Solution

The fourth proportional to 65,834,482.19, 98,680,445.53 and 42,821,862.17 is: 64,186,430.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,834,482.19 : 98,680,445.53 = 42,821,862.17 : x
  2. Step 2: Convert to fraction form
    65,834,482.19/98,680,445.53 = 42,821,862.17/x
  3. Step 3: Cross multiply
    65,834,482.19x = 98,680,445.53 × 42,821,862.17
  4. Step 4: Simplify right side
    65,834,482.19x = 4,225,680,436,879,853.50
  5. Step 5: Solve for x
    x = 4,225,680,436,879,853.50/65,834,482.19
  6. Step 6: Final answer
    x = 64,186,430.83

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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.