Home / 157,838,555.40-236,824,045.74-70,339,793.64

Finding the Fourth Proportional to 157,838,555.40, 236,824,045.74 and 70,339,793.64

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Solution

The fourth proportional to 157,838,555.40, 236,824,045.74 and 70,339,793.64 is: 105,539,197.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,838,555.40 : 236,824,045.74 = 70,339,793.64 : x
  2. Step 2: Convert to fraction form
    157,838,555.40/236,824,045.74 = 70,339,793.64/x
  3. Step 3: Cross multiply
    157,838,555.40x = 236,824,045.74 × 70,339,793.64
  4. Step 4: Simplify right side
    157,838,555.40x = 16,658,154,506,341,522
  5. Step 5: Solve for x
    x = 16,658,154,506,341,522/157,838,555.40
  6. Step 6: Final answer
    x = 105,539,197.72

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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.