Home / 156,779,370.34-235,153,859.60-47,605,501.06

Finding the Fourth Proportional to 156,779,370.34, 235,153,859.60 and 47,605,501.06

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Solution

The fourth proportional to 156,779,370.34, 235,153,859.60 and 47,605,501.06 is: 71,403,637.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,779,370.34 : 235,153,859.60 = 47,605,501.06 : x
  2. Step 2: Convert to fraction form
    156,779,370.34/235,153,859.60 = 47,605,501.06/x
  3. Step 3: Cross multiply
    156,779,370.34x = 235,153,859.60 × 47,605,501.06
  4. Step 4: Simplify right side
    156,779,370.34x = 11,194,617,311,982,020
  5. Step 5: Solve for x
    x = 11,194,617,311,982,020/156,779,370.34
  6. Step 6: Final answer
    x = 71,403,637.40

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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.